Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24_x64\htdocs\__cms\vendor\symfony\debug\Tests\ErrorHandlerTest.php:29 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\__cms\vendor\symfony\debug\Tests\ErrorHandlerTest.php on line 29