Simon Keimer

replace the backslash in line #27 of libopencm3/Makefile with a slash, make it looking like SRCLIBDIR:= $(subst $(space),/$(space),$(realpath lib))

I get similar exceptions here, on a T-Beam 1.2 They occur after a GPS fix is achieved. To me this looks like a memory corruption of some pointer. Also, they...

> I spent quite some time on fixing this without success. I switched to the version from https://github.com/richonguzman/LoRa_APRS_Tracker and from there its working. Thank you for replying, highly appreciated! I...

Despite this does not belong here, I'll be happy to help you out. That is most likely because you did not flash the file system with the json config. It...