Fatal error: Uncaught Error: Class "Drupal\Core\Block\BlockBase" not found in /home/fnbrshareacopy/public_html/modules/contrib/facets/tests/facets_query_processor/src/Plugin/Block/DisplayGeneratedLinkBlock.php:20 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/facets/tests/facets_query_processor/src/Plugin/Block/DisplayGeneratedLinkBlock.php on line 20