Artist "None" displayed in the left column, can't delete whatsoever

[Gadgetron]

Hello,
I'm facing a little problem, since I reorganized my music files on my computer, I have an unknown "None" Artist section displayed in the left colum, and I can't seem to display either the tracks or the albums.

I've restarted many times MusicBee, but it won't budge.
Could anyone help me with it ?
PS : Aucun means "None" in French.
Thanks you.

[Steven]

i am not able to reproduce this or see any reason why it would not work

[Gadgetron]

No clue on how to fix this ?

[hiccup]

Perhaps there are some corrupt or incompatible files in a folder somewhere?
If you right-click on 'Aucun', Send To> Folder (Copy)> Copy Files to Folder (just create some temp folder for that),
are any files copied to that folder at all? Do they perhaps give a clue on what might be wrong with them?

[Gadgetron]

No I don't think so, before I reorganized my music locations, everything was okay.
I tried to do as you said, but an error message says "No file selected".

[hiccup]

Then I have no other good suggestions.
Perhaps files have been deleted from outside MusicBee at a certain moment. A re-scan of the library might perhaps solve it then.

[Gadgetron]

I've done this many times.
At first there was lots of duplicates and some of them had en exclamation mark next to it.
So I moved all of my musics to another folder "Videos", launched MusiBee that told me there was no files to be found, then put my musics back into "Musics", launched MB again and added the Musics folder to the collection.
There wasn't anymore duplicated or musics with an exclamation mark on the side.
And now I have this issue.... :/

[Steven]

i dont know what they wouldnt show but all you need to do is select All Artists and then sort the main panel by artist. The tracks with no artist will be at the top.
Its also just occured to me the files might be marked as duplicates and actually located in the Inbox. Let me know if that is the case and i will fix that

[Gadgetron]

I displayed All artists in the main panel, I indeed have an album that contains 40 tracks (chich matches the number of tracks in the "None" Artist.
Altough, All tracks do have an album tagged and an artist.
Where is the inbox ?

[Gadgetron]

Ok so I cut the Album that seems to be a problem, I restarted MusicBee, the "None" artist disappeared.
I pasted back the Album, and the problem is back.
The album is definitely the problem, but I can't seem to figure why.