Unable to add songs in the Playlist in odyssey music player on Android 6.0

Expected behavior

We should be able to add songs from the albums to Playlist

Actual behavior

unable to add songs to the Playlist.

How to reproduce

• Download app from f-droid.org

• install the app

• Launch the app

• Go to songs and click on the option add to Playlist.

• Then go to Playlist and see there won't be any song added in the Playlist.

• Browser: Odyssey music player version 1.1.13
• Operating system: Android 6.0

Recording Of The Bug