[Bug]: TypeError at lib/private/Config/UserConfig.php line 688

[Sp1l]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

After upgrade of 32.0.6 to 33.0.0 I get "Internal Server Error" after login.

Steps to reproduce

1. Update Nextcloud sources from 32.0.6 to 33.0.0
2. run occ upgrade
3. restart php-fpm

Expected behavior

Updated Nextcloud instance without error.

Nextcloud Server version

33

Operating system

Other

PHP engine version

PHP 8.4

Web server

Apache (supported)

Database engine version

MariaDB

Is this bug present after an update or on a fresh install?

Upgraded to a MAJOR version (ex. 31 to 32)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

{
    "system": {
        "has_internet_connection": false,
        "apps_paths": [
            {
                "path": "\/usr\/local\/www\/nextcloud\/apps",
                "url": "\/apps",
                "writable": true
            },
            {
                "path": "\/usr\/local\/www\/nextcloud\/apps-pkg",
                "url": "\/apps-pkg",
                "writable": false
            }
        ],
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "33.0.0.16",
        "installed": true,
        "theme": "",
        "trusted_domains": [
            "nc.brnrd.eu"
        ],
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbdriveroptions": {
            "1014": true,
            "1010": "\/etc\/ssl\/certs"
        },
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "default_phone_region": "NL",
        "mysql.utf8mb4": true,
        "forcessl": true,
        "ldapIgnoreNamingRules": false,
        "logfile": "\/var\/log\/nextcloud\/nextcloud.log",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trashbin_retention_obligation": "auto, 30",
        "version_retention_obligation": "auto, 30",
        "htaccess.RewriteBase": "\/",
        "mail_smtpmode": "smtp",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpsecure": "tls",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpauth": 1,
        "mail_smtpauthtype": "PLAIN",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "appstore.experimental.enabled": false,
        "htaccess.Rewritebase": "\/",
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "overwrite.cli.url": "https:\/\/nc.example.org",
        "proxy": "squid.example.org3128",
        "proxyexclude": [
            ".example.org"
        ],
        "maintenance": false,
        "loglevel": 2,
        "app_install_overwrite": [
            "appointments",
            "deck",
            "tasks",
            "twofactor_admin"
        ]
    }
}

List of activated Apps

Enabled:
  - activity: 6.0.0-dev.0
  - admin_audit: 1.23.0
  - appointments: 2.6.2
  - bruteforcesettings: 6.0.0-dev.0
  - calendar: 6.2.0
  - circles: 33.0.0
  - cloud_federation_api: 1.17.0
  - comments: 1.23.0
  - contacts: 8.3.3
  - cospend: 4.0.0
  - dashboard: 7.13.0
  - dav: 1.36.0
  - deck: 1.17.0
  - federatedfilesharing: 1.23.0
  - federation: 1.23.0
  - files: 2.5.0
  - files_downloadlimit: 5.1.0-dev.0
  - files_pdfviewer: 6.0.0-dev.0
  - files_reminders: 1.6.0
  - files_sharing: 1.25.2
  - files_trashbin: 1.23.0
  - files_versions: 1.26.0
  - firstrunwizard: 6.0.0-dev.0
  - forms: 5.2.4
  - groupfolders: 21.0.4
  - logreader: 6.0.0
  - lookup_server_connector: 1.21.0
  - nextcloud_announcements: 5.0.0
  - notes: 4.13.0
  - notifications: 6.0.0
  - oauth2: 1.21.0
  - password_policy: 5.0.0-dev.0
  - photos: 6.0.0-dev.0
  - privacy: 5.0.0-dev.0
  - profile: 1.2.0
  - provisioning_api: 1.23.0
  - recommendations: 6.0.0-dev.0
  - serverinfo: 5.0.0-dev.0
  - settings: 1.16.0
  - sharebymail: 1.23.0
  - spreed: 23.0.1
  - support: 5.0.0
  - systemtags: 1.23.0
  - tasks: 0.17.1
  - text: 7.0.0-dev.3
  - theming: 2.8.0
  - twofactor_admin: 4.9.0
  - twofactor_backupcodes: 1.22.0
  - twofactor_totp: 15.0.0-dev.0
  - twofactor_webauthn: 2.6.0
  - updatenotification: 1.23.0
  - user_ldap: 1.24.0
  - user_status: 1.13.0
  - viewer: 6.0.0-dev.0
  - webhook_listeners: 1.5.0
  - workflowengine: 2.15.0
Disabled:
  - app_api: 33.0.0 (installed 32.0.0)
  - contactsinteraction: 1.14.1 (installed 1.6.0)
  - encryption: 2.21.0 (installed 2.6.0)
  - end_to_end_encryption: 2.0.0
  - files_external: 1.25.1
  - mail: 5.6.12 (installed 1.12.0)
  - related_resources: 4.0.0-dev.0 (installed 1.0.0)
  - survey_client: 5.0.0-dev.0 (installed 1.1.0)
  - suspicious_login: 11.0.0-dev.0
  - twofactor_nextcloud_notification: 7.0.0
  - weather_status: 1.13.0 (installed 1.5.0)

Nextcloud Signing status

Login not possible, output of occ integrity:check-core

  - INVALID_HASH:
    - .htaccess:
      - expected: 418f0babf39f82e537d12028229189633a7941160c27c3410032af498008a65637b8d1ee64abc63a6321c3d1ef8cde31fe58cee00d8b32821480501111977c34
      - current: 316da2ff481ffed7027c482bd39f3abdcb63adf6e2b1530de3f84647eee2273c232fc5f2e96fb499c18cd95bc09111fe7410d31c5c5b635805bb53f42d0fa263
  - EXTRA_FILE:
    - .htaccess.dist:
      - expected:
      - current: 418f0babf39f82e537d12028229189633a7941160c27c3410032af498008a65637b8d1ee64abc63a6321c3d1ef8cde31fe58cee00d8b32821480501111977c34
    - lib/private/Updater/VersionCheck.php.orig:
      - expected:
      - current: 1277bc1fcbbf3c066562022da512001ced62c3f6638488be9ec2237c6b1f4bc13a8223bb59ebd75acb6b57f89f6e9380caf7a23956ea662c1cf7cc2215e9302c

Nextcloud Logs

{"reqId":"2VJjeLeDDh5d664N6HNV","level":3,"time":"2026-02-19T09:27:30+00:00","remoteAddr":"89.33.17.74","user":"bernard","app":"index","method":"GET","url":"/apps/files/","scriptName":"/index.php","message":"strtolower(): Argument #1 ($string) must be of type string, string given","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0","version":"33.0.0.16","exception":{"Exception":"TypeError","Message":"strtolower(): Argument #1 ($string) must be of type string, string give
n","Code":0,"Trace":[{"file":"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php","line":688,"function":"strtolower","args":["false"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php","line":88,"function":"getValueBool","class":"OC\\Config\\UserConfig","type":"->","args":["bernard","user_ldap","isDeleted"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_LDAP.php","line":631,"function":"isUserMarked","class":"OCA\\User_LDAP\\User\\DeletedUsersIndex","type"
:"->","args":["bernard"]},{"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_LDAP","type":"->","args":["bernard",{"__class__":"Closure"}]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":67,"function":"call_user_func_array","args":[[{"__class__":"OCA\\User_LDAP\\User_LDAP"},"isUserEnabled"],["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php","line":153,"function":"walkBackends","class":"OCA\\User_LDAP\\User_Proxy","type":
"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":404,"function":"handleRequest","class":"OCA\\User_LDAP\\Proxy","type":"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/lib/private/User/User.php","line":470,"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_Proxy","type":"->","args":["bernard",{"__class__":"Closure"}]},{"file":"/usr/local/ww
w/nextcloud/lib/private/User/Session.php","line":227,"function":"isEnabled","class":"OC\\User\\User","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/lib/base.php","line":1114,"function":"isLoggedIn","class":"OC\\User\\Session","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/index.php","line":25,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php","Line":688,"message":"strtolower(): Argument #1 ($string) must be of typ
e string, string given","exception":"{\"class\":\"TypeError\",\"message\":\"strtolower(): Argument #1 ($string) must be of type string, string given\",\"code\":0,\"file\":\"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php:688\",\"trace\":\"#0 /usr/local/www/nextcloud/lib/private/Config/UserConfig.php(688): strtolower('false')\\n#1 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php(88): OC\\Config\\UserConfig->getValueBool('bernard', 'user_ldap', 'isDeleted')\\n#2 /usr/local/www/n
extcloud/apps-pkg/user_ldap/lib/User_LDAP.php(631): OCA\\User_LDAP\\User\\DeletedUsersIndex->isUserMarked('bernard')\\n#3 [internal function]: OCA\\User_LDAP\\User_LDAP->isUserEnabled('bernard', Object(Closure))\\n#4 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php(67): call_user_func_array(Array, Array)\\n#5 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php(153): OCA\\User_LDAP\\User_Proxy->walkBackends('bernard', 'isUserEnabled', Array)\\n#6 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/
User_Proxy.php(404): OCA\\User_LDAP\\Proxy->handleRequest('bernard', 'isUserEnabled', Array)\\n#7 /usr/local/www/nextcloud/lib/private/User/User.php(470): OCA\\User_LDAP\\User_Proxy->isUserEnabled('bernard', Object(Closure))\\n#8 /usr/local/www/nextcloud/lib/private/User/Session.php(227): OC\\User\\User->isEnabled()\\n#9 /usr/local/www/nextcloud/lib/base.php(1114): OC\\User\\Session->isLoggedIn()\\n#10 /usr/local/www/nextcloud/index.php(25): OC::handleRequest()\\n#11 {main}\"}","CustomMessage":"strtolower(): Argu
ment #1 ($string) must be of type string, string given"}}
{"reqId":"2VJjeLeDDh5d664N6HNV","level":3,"time":"2026-02-19T09:27:30+00:00","remoteAddr":"89.33.17.74","user":"bernard","app":"PHP","method":"GET","url":"/apps/files/","scriptName":"/index.php","message":"TypeError: strtolower(): Argument #1 ($string) must be of type string, string given at /usr/local/www/nextcloud/lib/private/Config/UserConfig.php#688","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0","version":"33.0.0.16","data":{"app":"PHP"}}
{"reqId":"hy8v1g6egWFiQYNOYtMp","level":4,"time":"2026-02-19T09:27:31+00:00","remoteAddr":"89.33.17.74","user":"bernard","app":"no app in context","method":"GET","url":"/apps/theming/img/background/jo-myoung-hee-fluid.webp","scriptName":"/index.php","message":"Could not boot calendar: strtolower(): Argument #1 ($string) must be of type string, string given","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0","version":"33.0.0.16","exception":{"Exception":"TypeError","Mes
sage":"strtolower(): Argument #1 ($string) must be of type string, string given","Code":0,"Trace":[{"file":"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php","line":688,"function":"strtolower","args":["false"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php","line":88,"function":"getValueBool","class":"OC\\Config\\UserConfig","type":"->","args":["bernard","user_ldap","isDeleted"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_LDAP.php","line":631,"fun
ction":"isUserMarked","class":"OCA\\User_LDAP\\User\\DeletedUsersIndex","type":"->","args":["bernard"]},{"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_LDAP","type":"->","args":["bernard",{"__class__":"Closure"}]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":67,"function":"call_user_func_array","args":[[{"__class__":"OCA\\User_LDAP\\User_LDAP"},"isUserEnabled"],["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php","li
ne":153,"function":"walkBackends","class":"OCA\\User_LDAP\\User_Proxy","type":"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":404,"function":"handleRequest","class":"OCA\\User_LDAP\\Proxy","type":"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/lib/private/User/User.php","line":470,"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_Proxy",
"type":"->","args":["bernard",{"__class__":"Closure"}]},{"file":"/usr/local/www/nextcloud/lib/private/User/Session.php","line":227,"function":"isEnabled","class":"OC\\User\\User","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/apps-pkg/calendar/lib/AppInfo/Application.php","line":83,"function":"isLoggedIn","class":"OC\\User\\Session","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/apps-pkg/calendar/lib/AppInfo/Application.php","line":76,"function":"addContactsMenuScript","class":"OCA\\Calendar\\
AppInfo\\Application","type":"->","args":[{"__class__":"OC\\Server"}]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php","line":170,"function":"boot","class":"OCA\\Calendar\\AppInfo\\Application","type":"->","args":[{"__class__":"OC\\AppFramework\\Bootstrap\\BootContext"}]},{"file":"/usr/local/www/nextcloud/lib/private/App/AppManager.php","line":481,"function":"bootApp","class":"OC\\AppFramework\\Bootstrap\\Coordinator","type":"->","args":["calendar"]},{"file":"/usr/local/www/n
extcloud/lib/private/App/AppManager.php","line":273,"function":"loadApp","class":"OC\\App\\AppManager","type":"->","args":["calendar"]},{"file":"/usr/local/www/nextcloud/lib/base.php","line":1115,"function":"loadApps","class":"OC\\App\\AppManager","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/index.php","line":25,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php","Line":688,"message":"Could not boot calendar: strtolower():
 Argument #1 ($string) must be of type string, string given","exception":"{\"class\":\"TypeError\",\"message\":\"strtolower(): Argument #1 ($string) must be of type string, string given\",\"code\":0,\"file\":\"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php:688\",\"trace\":\"#0 /usr/local/www/nextcloud/lib/private/Config/UserConfig.php(688): strtolower('false')\\n#1 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php(88): OC\\Config\\UserConfig->getValueBool('bernard', 'user_ldap
', 'isDeleted')\\n#2 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_LDAP.php(631): OCA\\User_LDAP\\User\\DeletedUsersIndex->isUserMarked('bernard')\\n#3 [internal function]: OCA\\User_LDAP\\User_LDAP->isUserEnabled('bernard', Object(Closure))\\n#4 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php(67): call_user_func_array(Array, Array)\\n#5 /usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php(153): OCA\\User_LDAP\\User_Proxy->walkBackends('bernard', 'isUserEnabled', Array)\\n#6 /usr/local/
www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php(404): OCA\\User_LDAP\\Proxy->handleRequest('bernard', 'isUserEnabled', Array)\\n#7 /usr/local/www/nextcloud/lib/private/User/User.php(470): OCA\\User_LDAP\\User_Proxy->isUserEnabled('bernard', Object(Closure))\\n#8 /usr/local/www/nextcloud/lib/private/User/Session.php(227): OC\\User\\User->isEnabled()\\n#9 /usr/local/www/nextcloud/apps-pkg/calendar/lib/AppInfo/Application.php(83): OC\\User\\Session->isLoggedIn()\\n#10 /usr/local/www/nextcloud/apps-pkg/calendar/l
ib/AppInfo/Application.php(76): OCA\\Calendar\\AppInfo\\Application->addContactsMenuScript(Object(OC\\Server))\\n#11 /usr/local/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php(170): OCA\\Calendar\\AppInfo\\Application->boot(Object(OC\\AppFramework\\Bootstrap\\BootContext))\\n#12 /usr/local/www/nextcloud/lib/private/App/AppManager.php(481): OC\\AppFramework\\Bootstrap\\Coordinator->bootApp('calendar')\\n#13 /usr/local/www/nextcloud/lib/private/App/AppManager.php(273): OC\\App\\AppManager->loadApp(
'calendar')\\n#14 /usr/local/www/nextcloud/lib/base.php(1115): OC\\App\\AppManager->loadApps()\\n#15 /usr/local/www/nextcloud/index.php(25): OC::handleRequest()\\n#16 {main}\"}","CustomMessage":"Could not boot calendar: strtolower(): Argument #1 ($string) must be of type string, string given"}}
{"reqId":"hy8v1g6egWFiQYNOYtMp","level":3,"time":"2026-02-19T09:27:31+00:00","remoteAddr":"89.33.17.74","user":"bernard","app":"index","method":"GET","url":"/apps/theming/img/background/jo-myoung-hee-fluid.webp","scriptName":"/index.php","message":"strtolower(): Argument #1 ($string) must be of type string, string given","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0","version":"33.0.0.16","exception":{"Exception":"TypeError","Message":"strtolower(): Argument #1 ($st
ring) must be of type string, string given","Code":0,"Trace":[{"file":"/usr/local/www/nextcloud/lib/private/Config/UserConfig.php","line":688,"function":"strtolower","args":["false"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php","line":88,"function":"getValueBool","class":"OC\\Config\\UserConfig","type":"->","args":["bernard","user_ldap","isDeleted"]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_LDAP.php","line":631,"function":"isUserMarked","class":"OCA\\U
ser_LDAP\\User\\DeletedUsersIndex","type":"->","args":["bernard"]},{"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_LDAP","type":"->","args":["bernard",{"__class__":"Closure"}]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":67,"function":"call_user_func_array","args":[[{"__class__":"OCA\\User_LDAP\\User_LDAP"},"isUserEnabled"],["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php","line":153,"function":"walkBackends","cl
ass":"OCA\\User_LDAP\\User_Proxy","type":"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php","line":404,"function":"handleRequest","class":"OCA\\User_LDAP\\Proxy","type":"->","args":["bernard","isUserEnabled",["bernard",{"__class__":"Closure"}]]},{"file":"/usr/local/www/nextcloud/lib/private/User/User.php","line":470,"function":"isUserEnabled","class":"OCA\\User_LDAP\\User_Proxy","type":"->","args":["bernard",{"__cla
ss__":"Closure"}]},{"file":"/usr/local/www/nextcloud/lib/private/User/Session.php","line":227,"function":"isEnabled","class":"OC\\User\\User","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","line":201,"function":"isLoggedIn","class":"OC\\User\\Session","type":"->","args":[]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php","line":186,"function":"{closure:OC\\AppFramework\\DependencyInjection\\DIContainer:
:__construct():180}","class":"OC\\AppFramework\\DependencyInjection\\DIContainer","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/usr/local/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php","line":122,"function":"{closure:OC\\AppFramework\\Utility\\SimpleContainer::registerService():185}","class":"OC\\AppFramework\\Utility\\SimpleContainer","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/Utility/SimpleCon
tainer.php","line":149,"function":"offsetGet","class":"Pimple\\Container","type":"->","args":["OC\\AppFramework\\Middleware\\MiddlewareDispatcher"]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","line":354,"function":"query","class":"OC\\AppFramework\\Utility\\SimpleContainer","type":"->","args":["OC\\AppFramework\\Middleware\\MiddlewareDispatcher",true,[]]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","line":330,
"function":"queryNoFallback","class":"OC\\AppFramework\\DependencyInjection\\DIContainer","type":"->","args":["OC\\AppFramework\\Middleware\\MiddlewareDispatcher",[]]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php","line":46,"function":"query","class":"OC\\AppFramework\\DependencyInjection\\DIContainer","type":"->","args":["OC\\AppFramework\\Middleware\\MiddlewareDispatcher"]},{"file":"/usr/local/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","
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xtcloud/lib/private/AppFramework/App.php(141): OC\\AppFramework\\Utility\\SimpleContainer->get('OC\\\\AppFramework...')\\n#24 /usr/local/www/nextcloud/lib/private/Route/Router.php(321): OC\\AppFramework\\App::main('OCA\\\\Files\\\\Contr...', 'serviceWorker', Object(OC\\AppFramework\\DependencyInjection\\DIContainer), Array)\\n#25 /usr/local/www/nextcloud/lib/base.php(1155): OC\\Route\\Router->match('/apps/files/pre...')\\n#26 /usr/local/www/nextcloud/index.php(25): OC::handleRequest()\\n#27 {main}\"}","CustomMess
age":"strtolower(): Argument #1 ($string) must be of type string, string given"}}
{"reqId":"kqFVAZnAbjpF6IhOZbuE","level":3,"time":"2026-02-19T09:27:31+00:00","remoteAddr":"89.33.17.74","user":"bernard","app":"PHP","method":"GET","url":"/index.php/apps/files/preview-service-worker.js","scriptName":"/index.php","message":"TypeError: strtolower(): Argument #1 ($string) must be of type string, string given at /usr/local/www/nextcloud/lib/private/Config/UserConfig.php#688","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0","version":"33.0.0.16","data":{"
app":"PHP"}}

Additional info

Disabling contacts (error in bootstrap) did not help.

[Sp1l]

Looks like this is related to ldap. I can logon with a non-LDAP admin user, but it fails with an LDAP backed user.

ran some checks on ldap (via webUI and occ) and see no issues with the ldap configuration.

$ occ ldap:test-config s01
The configuration is valid and the connection could be established!
$ occ ldap:test-user-settings user01
User uid=user01,ou=people,dc=example,dc=org is mapped with account name user01.
Known UUID is ***REMOVED SENSITIVE VALUE***.
Configuration prefix is s01

Attributes set in configuration:
- ldapBase: ["dc=example,dc=org"]
- ldapBaseUsers: ["dc=example,dc=org"]
- ldapExpertUsernameAttr: uid
- ldapUuidUserAttribute: auto
- ldapEmailAttribute: mail
- ldapUserDisplayName: cn
- ldapGidNumber: gidnumber
- hasGidNumber: true
Attributes fetched from LDAP using filter (&(objectClass=person)(memberOf=cn=NextcloudUsers,ou=Groups,dc=example,dc=org)):
- entryuuid: ["***REMOVED SENSITIVE VALUE***"]
- uid: ["user01"]
- memberof: ["cn=nextcloudusers,ou=groups,dc=example,dc=org"]
- cn: ["Test User"]
- gidnumber: ["513"]
Detected UUID attribute: entryuuid
UUID for uid=user01,ou=people,dc=example,dc=org: ***REMOVED SENSITIVE VALUE***

Group information:
Configuration:
- ldapBaseGroups: Array
- ldapGroupMemberAssocAttr: gidnumber
Primary group:
Group from gidNumber: Domain Users
All known groups: []
MemberOf usage: off (,1)

[joshtrichards]

Looks to be possibly the result of #55631

server/apps/user_ldap/lib/User/DeletedUsersIndex.php

Line 88 in c378bb4

return $this->userConfig->getValueBool($ocName, 'user_ldap', 'isDeleted');

Though looking deeper the above may have just introduced it via ldap, but could be a broader issue:

"strtolower(): Argument #1 ($string) must be of type string, string given\",

Fun. This is PHP 8.4 specific I believe. Does the following fix it?

Changing this:

server/lib/private/Config/UserConfig.php

Line 688 in 72c3793

$b = strtolower($this->getTypedValue($userId, $app, $key, $default ? 'true' : 'false', $lazy, ValueType::BOOL));

To:

$b = strtolower((string)$this->getTypedValue($userId, $app, $key, $default ? 'true' : 'false', $lazy, ValueType::BOOL));

Todo: check existing tests

[SystemKeeper]

@joshtrichards Wrong PR linked? 🤔

Here's the formatted backtrace:

  "exception": {
    "Exception": "TypeError",
    "Message": "strtolower(): Argument #1 ($string) must be of type string, string given",
    "Code": 0,
    "Trace": [
      {
        "file": "/usr/local/www/nextcloud/lib/private/Config/UserConfig.php",
        "line": 688,
        "function": "strtolower",
        "args": [
          "false"
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User/DeletedUsersIndex.php",
        "line": 88,
        "function": "getValueBool",
        "class": "OC\\Config\\UserConfig",
        "type": "->",
        "args": [
          "bernard",
          "user_ldap",
          "isDeleted"
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_LDAP.php",
        "line": 631,
        "function": "isUserMarked",
        "class": "OCA\\User_LDAP\\User\\DeletedUsersIndex",
        "type": "->",
        "args": [
          "bernard"
        ]
      },
      {
        "function": "isUserEnabled",
        "class": "OCA\\User_LDAP\\User_LDAP",
        "type": "->",
        "args": [
          "bernard",
          {
            "__class__": "Closure"
          }
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php",
        "line": 67,
        "function": "call_user_func_array",
        "args": [
          [
            {
              "__class__": "OCA\\User_LDAP\\User_LDAP"
            },
            "isUserEnabled"
          ],
          [
            "bernard",
            {
              "__class__": "Closure"
            }
          ]
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/Proxy.php",
        "line": 153,
        "function": "walkBackends",
        "class": "OCA\\User_LDAP\\User_Proxy",
        "type": "->",
        "args": [
          "bernard",
          "isUserEnabled",
          [
            "bernard",
            {
              "__class__": "Closure"
            }
          ]
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/apps-pkg/user_ldap/lib/User_Proxy.php",
        "line": 404,
        "function": "handleRequest",
        "class": "OCA\\User_LDAP\\Proxy",
        "type": "->",
        "args": [
          "bernard",
          "isUserEnabled",
          [
            "bernard",
            {
              "__class__": "Closure"
            }
          ]
        ]
      },
      {
        "file": "/usr/local/www/nextcloud/lib/private/User/User.php",
        "line": 470,
        "function": "isUserEnabled",
        "class": "OCA\\User_LDAP\\User_Proxy",
        "type": "->",
        "args": [
          "bernard",
          {
            "__class__": "Closure"
          }
        ]
      },

[joshtrichards]

Yeah wrong link oops; fixed!

[Sp1l]

After some restarts, editing https://github.com/nextcloud/server/blob/master/apps/user_ldap/lib/User/DeletedUsersIndex.php#L88 to previous return ($this->userConfig->getValueBool($ocName, 'user_ldap', 'isDeleted', false) === true); (fail)

the error disappeared.

If only I knew what triggered this (and what fixed it)!

strtolower("false")

should just work, right?

[Sp1l]

Line 688 in 72c3793
$b = strtolower($this->getTypedValue($userId, $app, $key, $default ? 'true' : 'false', $lazy, ValueType::BOOL));

To:

$b = strtolower((string)$this->getTypedValue($userId, $app, $key, $default ? 'true' : 'false', $lazy, ValueType::BOOL));

Was playing around with #55631 so replaced in apps/user_ldap/lib/User/DeletedUsersIndex.php

return $this->userConfig->getValueBool($ocName, 'user_ldap', 'isDeleted');

with

return ($this->config->getUserValue($ocName, 'user_ldap', 'isDeleted', '0') === '1');

which failed, getUserValue no longer exists(?)

reverted the change, and Nextcloud was OK...