PostGIS warnings lors de l'export des couches

[Gustry]

From QGIS logs:

2020-11-23T11:53:31     WARNING    Key field 'id_liaison' for view/query not found.
2020-11-23T11:53:31     WARNING    Keys for view/query undefined.
2020-11-23T11:53:31     WARNING    PostgreSQL layer has no primary key.
2020-11-23T11:53:31     WARNING    Erroneous query: SELECT * FROM "veloroutes"."poi_portion" LIMIT 1 returned 7 [ERROR: relation "veloroutes.poi_portion" does not exist
             LINE 1: SELECT * FROM "veloroutes"."poi_portion" LIMIT 1
              ^
             ]
2020-11-23T11:53:31     WARNING    Unable to access the "veloroutes"."poi_portion" relation.
             The error message from the database was:
             ERROR: relation "veloroutes.poi_portion" does not exist
             LINE 1: SELECT * FROM "veloroutes"."poi_portion" LIMIT 1
              ^
             .
             SQL: SELECT * FROM "veloroutes"."poi_portion" LIMIT 1
2020-11-23T11:53:31     WARNING    Erroneous query: SELECT * FROM (SELECT
              id_poi,
              id_local as "ID_LOCAL",
              id_on3V AS "ID_ON3V",
              (SELECT av.libelle FROM veloroutes.poi_acces_val AS av WHERE av.code = type) AS "TYPE",
              description AS "DESCRIPT",
              CASE
              WHEN EXISTS (SELECT 1 FROM exports.poi_portion AS pp WHERE pp.id_poi = poi.id_poi)
              THEN (SELECT etp.etape
              FROM veloroutes.etape as etp
              JOIN exports.poi_portion as pp ON pp.id_portion = etp.id_portion
              WHERE pp.id_poi = poi.id_poi
              )
              ELSE NULL
              END AS "ID_ETAPE",
              geom
             FROM veloroutes.poi_acces as poi
             ) AS "subQuery_0" LIMIT 1 returned 7 [ERROR: relation "exports.poi_portion" does not exist
             LINE 8: WHEN EXISTS (SELECT 1 FROM exports.poi_portion AS pp WHER...
              ^
             ]
2020-11-23T11:53:31     WARNING    Unable to execute the query.
             The error message from the database was:
             ERROR: relation "exports.poi_portion" does not exist
             LINE 8: WHEN EXISTS (SELECT 1 FROM exports.poi_portion AS pp WHER...
              ^
             .
             SQL: SELECT * FROM (SELECT
              id_poi,
              id_local as "ID_LOCAL",
              id_on3V AS "ID_ON3V",
              (SELECT av.libelle FROM veloroutes.poi_acces_val AS av WHERE av.code = type) AS "TYPE",
              description AS "DESCRIPT",
              CASE
              WHEN EXISTS (SELECT 1 FROM exports.poi_portion AS pp WHERE pp.id_poi = poi.id_poi)
              THEN (SELECT etp.etape
              FROM veloroutes.etape as etp
              JOIN exports.poi_portion as pp ON pp.id_portion = etp.id_portion
              WHERE pp.id_poi = poi.id_poi
              )
              ELSE NULL
              END AS "ID_ETAPE",
              geom
             FROM veloroutes.poi_acces as poi
             ) AS "subQuery_0" LIMIT 1
2020-11-23T11:53:31     WARNING    Erroneous query: SELECT count(distinct ("code"))=count(("code")) FROM (SELECT
              id,
              libelle AS "LIBELLE",
              code AS "CODE"
             FROM veloroutes.
             etat_avancement_val) AS "subQuery_0" returned 7 [ERROR: column "code" does not exist
             LINE 1: SELECT count(distinct ("code"))=count(("code")) FROM (SELECT
              ^
             ]

Some of them are criticals.

Some layers are skipped during the export because layers are invalid. It might be related.