Hei! Hva kan jeg ha gjort feil når jeg får følgende feilmelding?

PS C:\Users\bruker\Downloads\NBNO.py-master\NBNO.py-master> python nbno.py --id 2008071704082
Traceback (most recent call last):
File "C:\Users\bruker\Downloads\NBNO.py-master\NBNO.py-master\nbno.py", line 443, in <module>
main()
File "C:\Users\bruker\Downloads\NBNO.py-master\NBNO.py-master\nbno.py", line 401, in main
book = Book(args.id)
^^^^^^^^^^^^^
File "C:\Users\bruker\Downloads\NBNO.py-master\NBNO.py-master\nbno.py", line 25, in __init__
self.media_type = "dig" + digimedie.split("dig")[1].split("_")[0]
~~~~~~~~~~~~~~~~~~~~~~^^^
IndexError: list index out of range