Fatal error: Uncaught Error: Class "Drupal\search_api\IndexBatchHelper" not found in /home/fnbrshareacopy/public_html/modules/contrib/search_api_solr/src/Utility/IndexParallelBatchHelper.php:15 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/search_api_solr/src/Utility/IndexParallelBatchHelper.php on line 15