I am developing a basic music player and I have a problem. The "Save Playlist Function" doesn't work and I'm stumped

Please help!!! These commands are the ones I think have the problem. Any help will GREATLY be appreciated!!
Add File to Playlist Function(On Form "frmPlaylistFiles")
Open Playlist Function(On Form "frmPlayListControl")
Save Playlist Function(On Form "frmPlayListControl")