Fatal error: Uncaught Error: Interface "Hamcrest\Matcher" not found in /home/lessonplannercom/public_html/backend/vendor/hamcrest/hamcrest-php/hamcrest/Hamcrest/BaseMatcher.php:13 Stack trace: #0 {main} thrown in /home/lessonplannercom/public_html/backend/vendor/hamcrest/hamcrest-php/hamcrest/Hamcrest/BaseMatcher.php on line 13