Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/hagi/public_html/virtual/vendor/symfony/debug/Tests/Exception/FlattenExceptionTest.php:33 Stack trace: #0 {main} thrown in /home/hagi/public_html/virtual/vendor/symfony/debug/Tests/Exception/FlattenExceptionTest.php on line 33