Hello CDSAddOns, today we had a session with the customer. This is the program sequence, when the error occurs: We saw the issue happening after setting the MQTTClient FB input xEnable To TRUE. It never returns and program stops working, when the watchdog occured. There's no Call stack available :-(. Here you can see the instance data in case of the watchdog When the cable to the broker is unplugged everything works fine. How we can go on, to get more details regarding the root cause? kind regards
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