if "error" in solr_resp.keys():
            #If SOLR request fails, pass the error back to the user
            current_app.logger.error("Failed to retrieve bibcodes with error: {}".format(solr_resp.get("error")))
            valid_bibcodes = []
            output_dict = {"error": solr_resp.get("error"), "number_removed": 0, "status": status_code}