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在升級到messenger-ruby gem的版本1.2.0後，我使用它來獲取Facebook Messenger用戶在快速回復中的位置，似乎messenger-ruby無法解析返回的位置附件對象。在我有機會發回200 OK響應之前發生此錯誤，因此控制器被掛起。我該如何解決這個問題？messenger-ruby ArgumentError（missing keyword：payload）
這裏是Heroku的日誌文件的片段：
2017-01-23T03:15:52.544541+00:00 app[web.1]: Started POST "/messenger/webhook" for 173.252.123.140 at 2017-01-23 03:15:52 +0000
2017-01-23T03:15:52.547400+00:00 app[web.1]: Processing by MessengerController#webhook as */*
2017-01-23T03:15:52.547618+00:00 app[web.1]: Parameters: {"object"=>"page", "entry"=>[{"id"=>"776445229159135", "time"=>1485141352448, "messaging"=>[{"sender"=>{"id"=>"938332056296353"}, "recipient"=>{"id"=>"776445229159135"}, "timestamp"=>1485120971441, "message"=>{"mid"=>"mid.1485120971441:34f1a70557", "seq"=>3197, "attachments"=>[{"title"=>"James's Location", "url"=>"url redacted", "type"=>"location", "payload"=>{"coordinates"=>{"lat"=>36.074067028043, "long"=>-95.645990201969}}}]}}]}], "messenger"=>{"object"=>"page", "entry"=>[{"id"=>"776445229159135", "time"=>1485141352448, "messaging"=>[{"sender"=>{"id"=>"938332056296353"}, "recipient"=>{"id"=>"776445229159135"}, "timestamp"=>1485120971441, "message"=>{"mid"=>"mid.1485120971441:34f1a70557", "seq"=>3197, "attachments"=>[{"title"=>"James's Location", "url"=>"url redacted, "type"=>"location", "payload"=>{"coordinates"=>{"lat"=>36.074067028043, "long"=>-95.645990201969}}}]}}]}]}}
2017-01-23T03:15:52.549321+00:00 app[web.1]: Completed 500 Internal Server Error in 2ms (ActiveRecord: 0.0ms)
2017-01-23T03:15:52.549885+00:00 app[web.1]:
2017-01-23T03:15:52.549888+00:00 app[web.1]: app/controllers/messenger_controller.rb:8:in `webhook'
2017-01-23T03:15:52.549887+00:00 app[web.1]: ArgumentError (missing keyword: payload)