Fatal error: Uncaught Error: Class "Symfony\Component\Cache\Adapter\AbstractAdapter" not found in C:\xampp\htdocs\ffmpeg\vendor\symfony\cache\Adapter\CouchbaseCollectionAdapter.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ffmpeg\vendor\symfony\cache\Adapter\CouchbaseCollectionAdapter.php on line 28