UnicodeDecodeError

[mangebike]

Don't know if this is appropriate channel, but getting the error message below. Not an expert at encoding though. It happens with all encoding options provided. Seems to go for 1252.py even when choosing --encoding 'utf-8' or other option. Using SIE file from fortnox, but can't really share it...

C:\Users...\AppData\Local\Programs\Python\Python310\lib\encodings\cp1252.py", line 23, in decode
return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x8f in position 2967: character maps to