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