Script /report/customsql/view.php mutated the session after it was closed: $SESSION->recentsessionlocks

[dmitriim]

In 4.1 instance with $CFG->enable_read_only_sessions = true; we are getting following error.

Potentially can be related to https://tracker.moodle.org/browse/MDL-79092

Script /report/customsql/view.php?id=34 mutated the session after it was closed: $SESSION->recentsessionlocks
line 787 of /lib/classes/session/manager.php: call to debugging()
line ? of unknownfile: call to core\session\manager::check_mutated_closed_session()
line 159 of /lib/classes/shutdown_manager.php: call to call_user_func_array()
line ? of unknownfile: call to core_shutdown_manager::shutdown_handler()