Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\openy_activity_finder\OpenyActivityFinderSolrBackend->doSearchRequest() (line 248 of /var/www/html/docroot/modules/contrib/openy_activity_finder/src/OpenyActivityFinderSolrBackend.php)
Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\openy_activity_finder\OpenyActivityFinderSolrBackend->doSearchRequest() (line 248 of /var/www/html/docroot/modules/contrib/openy_activity_finder/src/OpenyActivityFinderSolrBackend.php)