Fatal error: Uncaught Error: Interface "SebastianBergmann\GlobalState\TestFixture\ExcludedInterface" not found in C:\xampp\htdocs\r10csm\vendor\sebastian\global-state\tests\_fixture\ExcludedClass.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10csm\vendor\sebastian\global-state\tests\_fixture\ExcludedClass.php on line 12