Ok learned a lot after tinkering, appears there are a LOT of nuances with the IDE...At any rate:Ensure you open any 'existing projects' in a fresh directory, NOT in any code dirs or repos you already haveYou may have to click on .project file and th...

This is madness... says it wants the given 'firmware package', which appears to be clearly in the default location...

To be clear, all the code files are present in the directory, why this needs to regenerate anything doesn't makes sense -

Just this long 'spinning' and eventually times out with the error above -

So I'm having the same issue, both CubeMX and CubeIDE are up to date, yet no luck.To be clear, I'm able to create/open a workspace, and have an .ioc file. Why the IDE cannot 'create an existing project via .ioc file' is very confusing...