HI , this is my first time using shotcut and I have a really important project to finish. After downloading a couples of software to edit my video , shotcut is the only app that I can use and I literally wasting half of my day searching for editing software and finally I found shotcut but my hope is crushed again when my video only flashes green screen . So this is the story , after finish editing my video, i exported the video and when i watch the video that I export again, the video will show green screen like one sec it will show my video and the next second it will show the green screen. So i really need help right now since I need to send this project this week . Thank you and sorry for my grammars.