Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractExtension" not found in /home/s4b/public_html/dev/cempre/extensions/vendor/bolt/boltforms/src/Form/BoltFormsExtension.php:31 Stack trace: #0 {main} thrown in /home/s4b/public_html/dev/cempre/extensions/vendor/bolt/boltforms/src/Form/BoltFormsExtension.php on line 31