A non-recoverable exception was thrown

Please open a bug on SourceForge Bugtracker with this information:

• WIKINDX version : 6.17.0
• PHP version : 8.4.22
• Script : /srv/apache/www/50_library.uoid.cz/core/libs/SQL.php
• Line : 3348
• Code : 0
• Message : Cannot assign false to property SQL::$handle of type ?mysqli