Fatal error: Uncaught Error: Class "Drupal\hal\Normalizer\EntityReferenceItemNormalizer" not found in /home/fnbrshareacopy/public_html/modules/contrib/entity_reference_revisions/src/Normalizer/EntityReferenceRevisionItemNormalizer.php:11 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/entity_reference_revisions/src/Normalizer/EntityReferenceRevisionItemNormalizer.php on line 11