Fatal error: Uncaught Error: Interface "Hamcrest\SelfDescribing" not found in D:\Application\www\E-Tracking\vendor\hamcrest\hamcrest-php\tests\Hamcrest\StringDescriptionTest.php:4 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\hamcrest\hamcrest-php\tests\Hamcrest\StringDescriptionTest.php on line 4