production.ERROR: exception 'GuzzleHttp\Exception\RequestException'

i have Error in this part somoene explain to me

 $error = isset($connectionErrors[$easy->errno])
        ? new ConnectException($message, $easy->request, null, $ctx)
        : new RequestException($message, $easy->request, $easy->response, null, $ctx);

    return new RejectedPromise($error);
}

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