Fatal error: Uncaught Error: Class "Drupal\Core\Field\EntityReferenceFieldItemList" not found in /home/fnbrshareacopy/public_html/modules/contrib/entity_reference_revisions/src/EntityReferenceRevisionsFieldItemList.php:16 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/entity_reference_revisions/src/EntityReferenceRevisionsFieldItemList.php on line 16