Fatal error: Uncaught Error: Interface "Psr\Cache\CacheItemPoolInterface" not found in D:\xampp\htdocs\SSWPOS\vendor\google\auth\tests\mocks\TestFileCacheItemPool.php:28 Stack trace: #0 {main} thrown in D:\xampp\htdocs\SSWPOS\vendor\google\auth\tests\mocks\TestFileCacheItemPool.php on line 28