Unknown class DSYTextFieldReg

[loretoparisi]

Got this error:

    Unknown class DSYTextFieldReg in Interface Builder file at path /Users/admin/Library/Developer/Xcode/DerivedData/MiniPlayer-fckxquutuiajfacsccqjrqqhknaz/Build/Products/Debug/MiniPlayer.app/Contents/Resources/DSYPlaylistTableViewController.nib.