Fatal error: Uncaught Error: Interface "Symfony\Component\Form\Extension\DataCollector\FormDataExtractorInterface" not found in I:\www\picman\vendor\symfony\form\Extension\DataCollector\FormDataExtractor.php:23 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\form\Extension\DataCollector\FormDataExtractor.php on line 23