Fatal error: Uncaught Error: Class 'Symfony\Component\ClassLoader\Tests\Fixtures\DeclaredClass' not found in /home/app/htdocs/ninja/vendor/symfony/class-loader/Tests/Fixtures/WarmedClass.php:5 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/class-loader/Tests/Fixtures/WarmedClass.php on line 5