Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Exception\RuntimeException' not found in C:\Apache24\htdocs\fixedasset\vendor\symfony\security-core\Signature\Exception\InvalidSignatureException.php:19 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\symfony\security-core\Signature\Exception\InvalidSignatureException.php on line 19