Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/wittyly/public_html/live/wittymanager-api/vendor/aws/aws-crt-php/tests/ErrorTest.php:8 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/wittymanager-api/vendor/aws/aws-crt-php/tests/ErrorTest.php on line 8