PlayerPro Music Player

Hi, I'm a PlayerPro/DSP owner. I can't seem to figure out how to reorder a standard playlist without songs jumping around in an unexpected manner. For example, I drag Song 2 up above Song 1, Song 1 moves down the list apparently creating space for Song 2 above it, but when I let go of Song 2 it goes...

I'm a long time owner of PlayerPro (w/ DSP) but have only been getting back into using it lately. I really love the app but am having trouble renaming playlists. Every time I try to rename a playlist the app just quits out. I've force stopped the app and cleared cache many times (and restarted phone...