Fatal error: Uncaught Error: Class 'Twig\TokenParser\AbstractTokenParser' not found in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/Twig/TokenParser/AbstractCSPParser.php:20 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/nelmio/security-bundle/Twig/TokenParser/AbstractCSPParser.php on line 20