Fatal error: Uncaught Error: Class "WP_REST_Search_Handler" not found in /home/.sites/10/site5622882/web/buschka/ikt5-2022-23/patrick_kohl/upcyling/wp-includes/rest-api/search/class-wp-rest-post-format-search-handler.php:17
Stack trace:
#0 {main}
  thrown in /home/.sites/10/site5622882/web/buschka/ikt5-2022-23/patrick_kohl/upcyling/wp-includes/rest-api/search/class-wp-rest-post-format-search-handler.php on line 17