Fatal error: Uncaught Error: Interface 'Netzmacht\Contao\Toolkit\Data\Alias\Validator' not found in /home/eberhardschwarze/public_html/vendor/netzmacht/contao-toolkit/src/Data/Alias/Validator/UniqueDatabaseValueValidator.php:25 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/netzmacht/contao-toolkit/src/Data/Alias/Validator/UniqueDatabaseValueValidator.php on line 25