Fatal error: Uncaught Error: Class 'Twig\Extension\AbstractExtension' not found in C:\Apache24\htdocs\fixedasset\vendor\symfony\twig-bridge\Extension\YamlExtension.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\symfony\twig-bridge\Extension\YamlExtension.php on line 23