Facebook聊天机器人以“动作失败”响应。永久菜单回发错误 [英] Facebook chatbot responds with "Action Unsuccessful" error to Persistent Menu postback

问题描述

直到几天前，我的facebook Chatbot的持久菜单仍能正常工作，当我单击持久菜单项时，每尝试几次，它就会弹出一个错误：
操作不成功
将您的消息传递给机器人时出错。
，请稍后再试。

My facebook Chatbot's persistent menu was working fine until a few days ago, once in every few tries when I click on a persistent menu item it would raise a popup error : Action Unsuccessful There was an error delivering your message to the bot. Please try again later.

这种情况偶尔发生，我检查了这种情况，我的PHP代码端没有收到来自Facebook的任何回发。如果没有错误，则回发可以正常进行。还有其他人收到此错误吗？

This happens sporadically, and I checked that when this happens my PHP code's side didn't receive any postback from facebook. When there's no error the postback works fine. Is anyone else getting this error?

我的持久菜单设置如下：

My Persistent menu is setup as such:

//-----------Persistent Menu
$url = 'https://graph.facebook.com/v2.6/me/messenger_profile?access_token='.$access_token;
$ch = curl_init($url); 

$jsonData = '{
  "persistent_menu":[
    {
      "locale":"default",
      "composer_input_disabled": false,
      "call_to_actions":[
            {
              "title":"View in Chinese",
              "type":"postback",
              "payload":"mainMenu"
            },
            {
              "title":"View in English",
              "type":"postback",
              "payload":"mainMenuEN"
            }


      ]
    },
        {
      "locale":"zh_TW",
      "composer_input_disabled": false,
      "call_to_actions":[
            {
              "title":"View in Chinese",
              "type":"postback",
              "payload":"mainMenu"
            },
            {
              "title":"View in English",
              "type":"postback",
              "payload":"mainMenuEN"
            }

      ]
    },      
        {
      "locale":"en_US",
      "composer_input_disabled": false,
      "call_to_actions":[
            {
              "title":"View in Chinese",
              "type":"postback",
              "payload":"mainMenu"
            },
            {
              "title":"View in English",
              "type":"postback",
              "payload":"mainMenuEN"
            }

      ]
    }
  ]
}';
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);

推荐答案

我遇到了同样的问题。它通过以下更改得到修复：

I had the same problem. It was fixed by the following changes:

App settings -> [Products] Messenger -> Settings -> Webhooks -> Edit events -> Add messaging_postbacks

您可能已忘记添加事件，并且不允许FB发送任何按钮的回发/有效负载到服务器。

You may have forgotten to add the event and FB is not allowed to send any buttons' postback / payload to the server.

请彻底检查按钮的类型是否正确指定为以下之一： web_url 或后退小写。

Check thoroughly if the type of the buttons is correctly specified as one of the following: web_url or postback in lower case.

还请注意，持久菜单要求 pages_messaging许可根据 FB开发人员文档

Have in mind also that the persistent menu requires pages_messaging permission according to FB Developers Doc

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