Fatal error: Uncaught Error: Interface 'Nelmio\SecurityBundle\ExternalRedirect\TargetValidator' not found in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/ExternalRedirect/WhitelistBasedTargetValidator.php:14 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/ExternalRedirect/WhitelistBasedTargetValidator.php on line 14