Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\HttpCache\AbstractSurrogate" not found in C:\Apache24_x64\htdocs\ipad\vendor\symfony\http-kernel\HttpCache\Ssi.php:22 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ipad\vendor\symfony\http-kernel\HttpCache\Ssi.php on line 22