# MQTT publish error - Tahu client internal error

**URL:** <https://forum.inductiveautomation.com/t/mqtt-publish-error-tahu-client-internal-error/94017>\
**Category:** 3rd Party Modules\
**Created:** [August 1, 2024, 6:09am UTC](https://forum.inductiveautomation.com/t/mqtt-publish-error-tahu-client-internal-error/94017 "2024-08-01T06:09:14Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Sungmo\_Kim](https://avatars.discourse-cdn.com/v4/letter/s/c5a1d2/32.png) [@Sungmo\_Kim](https://forum.inductiveautomation.com/u/Sungmo_Kim)\
**Post date:** [August 1, 2024, 6:09am UTC](https://forum.inductiveautomation.com/t/mqtt-publish-error-tahu-client-internal-error/94017/1 "2024-08-01T06:09:14Z")

</div>

I got this error some times. What should I do?  
(What causes INTERNAL ERROR?)

```python
[MQTT publish, exception] writeMoveFinalGoal
INFO | jvm 1 | 2024/07/31 19:37:48 | I [c.c.m.e.g.EngineRPCImpl] [10:37:47]: Publishing client message on thirabots/SIDIZ_3/task/task_goal sfc-chart-id=9109511e-34fd-4fa9-b357-1a031578d124, sfc-chart-name=moveToCharger
INFO | jvm 1 | 2024/07/31 19:37:48 | E [SFC Traffic move ext] [10:37:47]: Traceback (most recent call last):
INFO | jvm 1 | 2024/07/31 19:37:48 | File "<Script name="">", line 7, in onStart
INFO | jvm 1 | 2024/07/31 19:37:48 | File "<module:sfc.traffic_move.moveToGoal>", line 98, in onStart
INFO | jvm 1 | 2024/07/31 19:37:48 | File "<module:robot.mqtt>", line 272, in sendGoalNode
INFO | jvm 1 | 2024/07/31 19:37:48 | at org.eclipse.tahu.mqtt.TahuClient.publish(TahuClient.java:460)
INFO | jvm 1 | 2024/07/31 19:37:48 | at com.cirruslink.mqtt.engine.gateway.EngineRPCImpl.publishImpl(EngineRPCImpl.java:60)
INFO | jvm 1 | 2024/07/31 19:37:48 | at com.cirruslink.mqtt.engine.common.EngineAbstractScriptModule.publish(EngineAbstractScriptModule.java:30)
INFO | jvm 1 | 2024/07/31 19:37:48 | at jdk.internal.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
INFO | jvm 1 | 2024/07/31 19:37:48 | at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
INFO | jvm 1 | 2024/07/31 19:37:48 | at java.base/java.lang.reflect.Method.invoke(Unknown Source)
INFO | jvm 1 | 2024/07/31 19:37:48 | org.eclipse.tahu.exception.TahuException: org.eclipse.tahu.exception.TahuException: INTERNAL_ERROR
INFO | jvm 1 | 2024/07/31 19:37:48 | sfc-chart-id=9109511e-34fd-4fa9-b357-1a031578d124, sfc-chart-name=moveToCharger
INFO | jvm 1 | 2024/07/31 19:37:48 | W [c.i.s.ChartInstance] [10:37:47]: Chart 'moveToCharger' aborted in 'Script[Step:moveToCharge]' sfc-chart-id=9109511e-34fd-4fa9-b357-1a031578d124, sfc-chart-name=moveToCharger

```