Fatal error: Uncaught Error: Class 'Sonata\CoreBundle\Test\XliffValidatorTestCase' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/classification-bundle/Tests/Resources/XliffTest.php:16 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/classification-bundle/Tests/Resources/XliffTest.php on line 16