I'm using the same Username/Password combo used to login in the WEB UI/Shoko Desktop
Example from logs:
file: E:\Animes\Fate\Emiya-san Chi no Kyou no Gohan\[Unknown] Todays Menu for the Emiya Family - 13 (1920x1080 V_MPEG4_ISO_AVC 10bit)[C2A268E9].mkv
Requesting: api/ep/getbyfilename?filename=%5BUnknown%5D%20Todays%20Menu%20for%20the%20Emiya%20Family%20-%2013%20%281920x1080%20V_MPEG4_ISO_AVC%2010bit%29%5BC2A268E9%5D.mkv
Error in Scan: 'HTTP Error 401: Unauthorized'
For future reference: The scanner files (both for Series and for Movies) needs to be edited to include the User/Password
This doesn't seem to be documented anywhere except on a Discord message though.
I'm using the same Username/Password combo used to login in the WEB UI/Shoko Desktop
Example from logs: