Fatal error: Uncaught Error: Interface "Psr\SimpleCache\CacheInterface" not found in C:\xampp\htdocs\vendor\Phpfastcache\Helper\Psr16Adapter.php:36 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\Phpfastcache\Helper\Psr16Adapter.php on line 36