There are missing files in your project

[Hudson555x]

Double click in that spot to point to the file you’re missing.
Either you deleted or moved the file since you last save the mlt.
Or you don’t have access to that directory.

Read this post, and scroll down to where is says “Missing Files”.

Project Management

Introduction Shotcut does not provide very much in the way of project management at this time. Rather, you are required to manage many aspects of this. There are a few things you should know: Shotcut saves to a project file in a text format called MLT XML. (Technical detail on that format can be found here.) The project file does not contain any of your media. Rather, it only links to your media files by file system path and name. There are 3 different kinds of projects: Clip If you put a…