[GH-ISSUE #898] WMM: Error sending message to register the device? #759

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opened 2026-02-28 01:26:55 +03:00 by kerem · 3 comments

kerem commented

2026-02-28 01:26:55 +03:00

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Originally created by @TinajaLabs on GitHub (Jun 14, 2019).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/898

I'm working with the basic.ino version and somewhere in the bootup it says:
WMM: Error sending message to register the device...

I set up an mqtt subscriber in my node-red application and subscribed to deviceLog/ESP_a020a6194f75 but I never see it arrive in node-red.

Looking for clues as to where this code lives.

Thanks,
Chris.

Here's the basic startup output as seen in the serial screen:

WiFiMQTTManager Night Light
WMM: clientId: ESP_a020a6194f75
WMM: mounting FS...
WMM: mounted file system...
WMM: reading config file...
WMM: opened config file...
{"friendly_name":"Tinaja","mqtt_server":"Tinaja-co","mqtt_port":"1883"}
WMM: parsed json...
WMM: lets try to connect to WiFi...
WMM: connected to WiFi!!...
WMM: 
WMM: local IP:192.168.1.113
WMM: _mqtt_server: Tinaja-co
WMM: _mqtt_port: 1883
WMM: clientId: ESP_a020a6194f75
WMM: attempting MQTT connection...mqtt connected...via setup...
subscribing to some topics:
   subscribed to: home/bedroom/night-light/wemosd1-1/ESP_a020a6194f75/output
Sending message to MQTT topic: deviceLog/ESP_a020a6194f75
{
  "deviceType": "ESP8266",
  "deviceId": "ESP_a020a6194f75",
  "name": "Tinaja",
  "chipId": "194f75",
  "sketchName": "tinaja-wemosd1mini-neopixel-nightlight-1.ino"
}
messageBuffer: {"deviceType":"ESP8266","deviceId":"ESP_a020a6194f75","name":"Tinaja","chipId":"194f75","sketchName":"tinaja-wemosd1mini-neopixel-nightlight-1.ino"}
WMM: Error sending message to register the device...
tinaja starting...
Message arrived on topic: home/bedroom/night-light/wemosd1-1/ESP_a020a6194f75/output. Message: 1

Originally created by @TinajaLabs on GitHub (Jun 14, 2019). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/898 I'm working with the basic.ino version and somewhere in the bootup it says: `WMM: Error sending message to register the device...` I set up an mqtt subscriber in my node-red application and subscribed to `deviceLog/ESP_a020a6194f75` but I never see it arrive in node-red. Looking for clues as to where this code lives. Thanks, Chris. Here's the basic startup output as seen in the serial screen: ``` WiFiMQTTManager Night Light WMM: clientId: ESP_a020a6194f75 WMM: mounting FS... WMM: mounted file system... WMM: reading config file... WMM: opened config file... {"friendly_name":"Tinaja","mqtt_server":"Tinaja-co","mqtt_port":"1883"} WMM: parsed json... WMM: lets try to connect to WiFi... WMM: connected to WiFi!!... WMM: WMM: local IP:192.168.1.113 WMM: _mqtt_server: Tinaja-co WMM: _mqtt_port: 1883 WMM: clientId: ESP_a020a6194f75 WMM: attempting MQTT connection...mqtt connected...via setup... subscribing to some topics: subscribed to: home/bedroom/night-light/wemosd1-1/ESP_a020a6194f75/output Sending message to MQTT topic: deviceLog/ESP_a020a6194f75 { "deviceType": "ESP8266", "deviceId": "ESP_a020a6194f75", "name": "Tinaja", "chipId": "194f75", "sketchName": "tinaja-wemosd1mini-neopixel-nightlight-1.ino" } messageBuffer: {"deviceType":"ESP8266","deviceId":"ESP_a020a6194f75","name":"Tinaja","chipId":"194f75","sketchName":"tinaja-wemosd1mini-neopixel-nightlight-1.ino"} WMM: Error sending message to register the device... tinaja starting... Message arrived on topic: home/bedroom/night-light/wemosd1-1/ESP_a020a6194f75/output. Message: 1 ```

kerem closed this issue

2026-02-28 01:26:55 +03:00

kerem commented

2026-02-28 01:26:55 +03:00

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@liebman commented on GitHub (Jun 14, 2019):

I don't think those messages are from WiFiManager. I think WiFiManager messages print with "WM*" not "WMM".

@liebman commented on GitHub (Jun 14, 2019): I don't think those messages are from WiFiManager. I think WiFiManager messages print with "WM*" not "WMM".

kerem commented

2026-02-28 01:26:55 +03:00

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@TinajaLabs commented on GitHub (Jun 14, 2019):

Interesting clue. Thanks.

@TinajaLabs commented on GitHub (Jun 14, 2019): Interesting clue. Thanks.

kerem commented

2026-02-28 01:26:55 +03:00

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@tablatronix commented on GitHub (Jun 14, 2019):