How I Triggered an 'Invalid' Tag

[Hudson555x]

This is because in a Shotcut project file, it writes XML code using the address of that file. If you change the name, or move it, you will get “invalid” 100% each and every time.

When you save/restart the project, it gives you a screen to locate the proper file(s) that are missing.

You can read more about that here:

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…