audio attributes get mangled

When ripping CD's with LMCE, attributes get added automatically. They can also be modified using the webadmin pages. Either way the attributes get mangled, where attributes get added to other albums, albums get split into seperate ones etc All my audio is on a internal 2TB disk. All the audio ripped with LMCE is in FLAC format. The problem started when i did a clean installed of 1004. I had a few cd's ripped with 810 and after a clean install of 1004 i re-added the 2TB drive and the attributes got mangled. In 810 they were perfectly ok. After the clean install of 1004 (on a separate disk) i never got the attributes ok again.