Fatal error: Uncaught Error: Interface 'Nelmio\SecurityBundle\UserAgent\UserAgentParserInterface' not found in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/UserAgent/UserAgentParser.php:16 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/UserAgent/UserAgentParser.php on line 16