Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/ninja/vendor/symfony/console/Tests/CommandLoader/FactoryCommandLoaderTest.php:18 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/console/Tests/CommandLoader/FactoryCommandLoaderTest.php on line 18