Fatal error: Uncaught Error: Class 'Symfony\Component\Cache\Adapter\AbstractAdapter' not found in D:\workspaces\liZiPingBack\vendor\symfony\cache\Adapter\PdoAdapter.php:20 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\cache\Adapter\PdoAdapter.php on line 20