Fatal error: Uncaught Error: Class "Phpfastcache\Config\IOConfigurationOption" not found in C:\xampp\htdocs\vendor\Phpfastcache\Drivers\Leveldb\Config.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\Phpfastcache\Drivers\Leveldb\Config.php on line 22