Damn, I see.

The log file shows:
Run script [fn:amc] at [Thu Sep 29 18:41:30 CAT 2016]
Parameter: music = y
Parameter: subtitles = en
Parameter: artwork = y
Parameter: seriesFormat = C:/Users/username/Downloads
Argument: C:\Users\username\Downloads\new series

It seems I did not call the complete ...

I deleted it before running the script because that worked in the past when my files weren't being renamed by the script. I searched my whole PC for one that was created after running the script but I couldn't find it.

It is also very possible I am using an outdated version, since I have my ...

Okay, so I didn't say this before, but I deleted the amc.log file just before running the script, since the script is set to run every 3 days, but it has not been renaming files for the past month or so and in the past that was the solution and everything got renamed and moved into the correct ...

So I used

filebot -script fn:amc --output "C:/Users/username/Downloads/series" --log-file amc.log --action move --conflict override -non-strict "C:/Users/username/Downloads/new series/" --def music=y subtitles=en artwork=y "seriesFormat= C:/Users/username/Downloads/Series/{n ...