Fatal error: Uncaught Error: Class "Drupal\Component\EventDispatcher\Event" not found in /home/fnbrshareacopy/public_html/modules/contrib/search_api_solr/src/Event/PostConfigSetTemplateMappingEvent.php:10 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/search_api_solr/src/Event/PostConfigSetTemplateMappingEvent.php on line 10