Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractTypeExtension' not found in /home/itscm/dev.its.cm/webserivesits/vendor/nelmio/api-doc-bundle/Form/Extension/DocumentationExtension.php:22 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/nelmio/api-doc-bundle/Form/Extension/DocumentationExtension.php on line 22