401 Unauthorized: {"error":{"root_cause":[{"type":"security_exception","reason":"unable to authenticate user [elastic] for REST request [/_sql]","header":{"WWW-Authenticate":["ApiKey","Basic realm=\"security\", charset=\"UTF-8\""]}}],"type":"security_exception","reason":"unable to authenticate user [elastic] for REST request [/_sql]","header":{"WWW-Authenticate":["ApiKey","Basic realm=\"security\", charset=\"UTF-8\""]}},"status":401}