Unable to import episodes on v3

Hi.
I don’t use QNAP (Which I presume is the NAS solution devices), so irrelevant for me.

Eh. I never even used any M: drive so I don’t understand what it got that idea from.

I got this error on several occasions.
But mostly I think when trying to move a series between drives, and when trying to download episodes.
I haven’t changed anything in particular since I installed it, so I don’t see why it’s behaving like this with the M: drive. Is this something that is stored in the database file?