Red scene name?

What does this mean?
Scene name is red and there is a 0 before the name.
I think it has something to do with me having duplicated the scene, but I can’t figure out more specifically than that.
Also couldn’t find anything in the documentation.

It would mean that it is deleted and has no users. I am not sure how to duplicate the issue. It will not be saved with the file and will be lost once the file is reloaded. I would try to make a full copy of it and make sure it’s not red anymore, then save it.

Edit:
It seems you can clear users of a scene with Python


bpy.context.scene.user_clear()

But as far as I am aware it has no logical meaning or function. It seams the scene is saved with the file anyway if this happens. As far as I understand this should never happen. There might be issues with whatever process that makes this happen. It’s a good time to make a backup I think.

Yeah, I guessed it was something like that. It happens once in a while when making a full copy of a scene. The scene is still saved with the project and when reopening it’s grey again.
A bug then. Will report later.
Thank you.

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So you are just making a new scene from the top menu and just choosing ‘Full Copy’ and that’s it? Weird. I do this a lot and it never happens to me.

just add composite node in compositing

Just had the same issue. Made a full copy. The original scene goes red…