Problem after last software update

Since last software update every time I rescan my internal HDD in the app (on iPad and on my Mac) new albums appear twice, one time with the correct band name and title, and one with the band name “unknown”. I’ve tried to delete and add my HDD again but now my collection has doubled, one time with the correct band name and album one time with Unknown as band name.

Any suggestions?
Thanx

@luca66

Can you try rescanning your HDD after factory resetting your Rose device?
Rose device–>Settings–>System settings–>Factory reset

Thanx a lot it worked.