Meadow Lark 404

I can open the app and scroll through my projects with zero lag but then moment I click on any work it freezes the entire app. Only today was I able to open any files and even that took several minutes to open after being clicked (all the while the app was frozen). My device is pretty new and all other apps run smoothly. It is just this app. Not only is it difficult to open any files but the few that I did open were missing the majority of their images with some projects completely missing all images and audio that had been saved to them. The videos that still have anything remaining are unedi