Internal: Set to null if document not exists from gradebook category

src/CoreBundle/Migrations/Schema/V200/Version20230405123419.php

@@ -22,6 +22,7 @@ final class Version20230405123419 extends AbstractMigrationChamilo
             );
         }
         if ($schema->hasTable('gradebook_category')) {
+            $this->addSql('UPDATE gradebook_category SET document_id = NULL WHERE document_id NOT IN (SELECT iid FROM c_document)');
             $this->addSql(
                 'ALTER TABLE gradebook_category ADD CONSTRAINT FK_96A4C705C33F7837 FOREIGN KEY (document_id) REFERENCES c_document (iid) ON DELETE SET NULL;'
             );