Fatal error: Uncaught Error: Class "Drupal\Core\Config\Entity\ConfigEntityBase" not found in /home/fnbrshareacopy/public_html/modules/contrib/page_manager/src/Entity/PageVariant.php:47 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/page_manager/src/Entity/PageVariant.php on line 47