Hi,
wasn't able to find a solution to this problem in this forum... and I'm not sure if this is a linux related problem or a scanner related problem:
When I add new albums with new artists to my music library (Plex premium option) there are no backgrounds of artists available. Even though it seems to match the songs, the album and the artist there is no background image shown in Plex Web, Rasplex. When I navigate to the artist overview there is a square image of the artist that must have been fetched from an external server. And when I click on the edit button there isn't any background shown from which I can choose. I checked an album I added last week and here there is the artist in the background of the album and when I edit the artist itself I can choose from a lot of background images. I then cleared the caches and added an album from One Direction, just because I'm sure that there must be images available for that group... but still the same.
I checked the XML transfered from server to my browser and saw that on albums/artists where a background image is available the XML looks like this
<MediaContainer...>
<Directory ... art="/library/metadata/12345/art/1234567890" ...>...</Directory>
</MediaContainer>
Whereas on the newer albums/artists the "art" property is missing.
Then I checked the com.plexapp.plugins.library.db and in the metadata_items table on artists with a background image there was a value like "metadata://art/com.plexapp.agents.plexmusic_a1b2c3e4..." in the user_art_url field, but in the entry for any newer artist like One Direction this field was empty.
Today I installed the new Plex server version (Plex pass) but this didn't solve the problem either.
I'm not sure what I can do to make this work again.