It has one major issue

I am using an iPhone 5c and it took me over an hour to edit a video and it turned out great... That was until I exported it to my gallery... It saved it as a completely black screen and the only sound is the music and then a few texts I put it... Not happy at all... I didnt pay for the app not to work...

Emmasws99 about VivaVideoPRO-Best Video Editor, v4.5.7