Fatal error: Uncaught Error: Class 'Hamcrest\AbstractMatcherTest' not found in /home/kingelearn/public_html/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Type/IsObjectTest.php:4 Stack trace: #0 {main} thrown in /home/kingelearn/public_html/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Type/IsObjectTest.php on line 4