If you try to access the Maintenance backend module as a non-admin which has access to multiple member groups, you will run into the SQL query error:
Doctrine\DBAL\Exception\SyntaxErrorException: An exception occurred while executing 'SELECT id, username FROM tl_member WHERE (GROUPS LIKE '%"3"%' OR1"%' OR4"%') AND disable!='1' AND (start='' OR start<='1531467943') AND (stop='' OR stop>'1531468003') ORDER BY username':
SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'OR1"%' OR4"%') AND disable!='1' AND (start='' OR start<='1531467943') AND (stop=' at line 1
This query is executed to fetch the available members that can be selected to rebuild the search index.
If you try to access the Maintenance backend module as a non-admin which has access to multiple member groups, you will run into the SQL query error:
This query is executed to fetch the available members that can be selected to rebuild the search index.