Fatal error: Uncaught Error: Class 'Doctrine\Common\Cache\CacheProvider' not found in /opt/lampp/htdocs/us/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcCache.php:21 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/us/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcCache.php on line 21