Fatal error: Uncaught Error: Class "Adminer" not found in /var/www/html/dev.hallescherfc.de/vendor/jigal/t3adminer/Resources/Public/Adminer/plugins/AdminerPlugin.php:10 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/jigal/t3adminer/Resources/Public/Adminer/plugins/AdminerPlugin.php on line 10