Fatal error: Uncaught Error: Class 'Symfony\Component\Cache\Adapter\AbstractAdapter' not found in C:\web\hncamp_admin\vendor\symfony\cache\Adapter\MemcachedAdapter.php:23 Stack trace: #0 {main} thrown in C:\web\hncamp_admin\vendor\symfony\cache\Adapter\MemcachedAdapter.php on line 23