Fatal error: Uncaught Error: Class "Drupal\Core\Display\VariantBase" not found in /home/fnbrshareacopy/public_html/modules/contrib/ctools/src/Plugin/DisplayVariant/BlockDisplayVariant.php:22 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/ctools/src/Plugin/DisplayVariant/BlockDisplayVariant.php on line 22