I am failing to append to variable

Using Arduino Programming Questions
1

my bad. deleted the line that built up the LoRaDataNum
did not include all because it won't compile/run without extra libraries and LoRa messages.

2

You need to show ALL the code, and the serial monitor showing the errors you think you have. (use code tags for errors too)

3

@AndreK

Please do not bastardise your topic by deleting its content after a reply has been made. Just put any new findings in a new post.

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