Project opens to Preview then closes project when selecting Prepare

When I open an existing project it initially opens on the Preview tab. When I select the Prepare tab I get a popup that says that the project will be closed before creating a new model. Has anybody run into this issue and is there any way to get around this to get to the Prepare tab.

This is a project that I have opened dozens of times since it was last saved in mid December (over a month ago) and never had this issue with it before. I’ve tried going to the Device tab then to the Prepare tab but still get the popup. There does not seem to be any way around it. I need to get to the Prepare tab and I really do not want to have to totally recreate the project again from scratch.

I updated to the latest version of Studio (1.8.4.51) but still have the same issue.

Ignore this… I was opening a gcode 3mf file.

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How do you change your saved file to be able to be opened? I am having the same problem.

Welcome to the forum.

Are you trying to open a .gcode.3mf file?

Yes I am trying to open and alter a gcode/3mf file…

There really isn’t a way to alter a .gcode.3mf file in Bambu Studio that I know of. You can really only view it.

Alright. Thanks for y our time