Hi, 

I’ve a similar problem with the LMQTT library with these internal errors:

16#00079900

16#10020034

16#0000008E

With a similar behaviour, if I detach the eth cable, after 50/60 try to send a message, the cpu switch to damaged.

The cpu is a 1200.

Thanks

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Split from Encrypted LMqtt library causes Serious Firmware Exception in S7-1200.