Ok, at the beginning I was silly. I didn't get all the quirks with MQTT and msg.error. I think I have moved forward from there but "it" still doesn't seem to be working. Though the long way, I'll start with knowns and work towards the error. That way it may help you see how I am confused rather …

[image] Trying_to_learn: I know it is not as easy but I think of things that I move the first value to the second. I think of it as being the same as a standard line of code : msg.payload = msg.error but written vertically msg.payload = msg.error Simon

cymplecy 2 September 2018 06:16 3

I think of it as being the same as a standard line of code :

msg.payload = msg.error

but written vertically

msg.payload
=
msg.error

Simon

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And again more confustion about error handling

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