Exception: UPDI initialisation failed

[Vepla123]

C:\Users\User\pyupdi-master\updi>pyupdi.py -d tiny414 -c COM2 -b 9600 -f LED_414.hex
Traceback (most recent call last):
File "C:\Users\User\pyupdi-master\updi\pyupdi.py", line 207, in
_main()
File "C:\Users\User\pyupdi-master\updi\pyupdi.py", line 97, in _main
nvm = UpdiNvmProgrammer(comport=args.comport,
File "C:\Users\Dan\AppData\Roaming\Python\Python39\site-packages\updi\nvm.py", line 17, in init
self.application = UpdiApplication(comport, baud, device)
File "C:\Users\Dan\AppData\Roaming\Python\Python39\site-packages\updi\application.py", line 17, in init
self.datalink = UpdiDatalink(comport, baud)
File "C:\Users\Dan\AppData\Roaming\Python\Python39\site-packages\updi\link.py", line 32, in init
raise Exception("UPDI initialisation failed")
Exception: UPDI initialisation failed

Any one know why im failing?

[mraardvark]

Looks like a "no contact" situation... (cabling, UPDI disabled, electrical issues...)
FYI: please use pymcuprog instead of pyupdi

[Vepla123]

Thank you.
I used pymcuprog. Pinged the chip and hexed with no problem.