Nycojie
I also happend to this problem,i using GPUImageScreenBlendFilter ,export the video successfully,but then the app killed,xcode get the same error with you .
@Neil20170223 ,i try it ,but it does't work/(ㄒoㄒ)/~~ i add some code to my program，let the two movieFile remove all the targets,then the app not crash.Before i use two movieFile...
@sagarkoyani Merge the two videos together? Or green screen video as a video filter?
更正一下使用的版本号：4.4.32