Xcode will not open my project

Question

I where working with a project and I closed because my computer was geting slow. When I tried to open my solution again xcode quitted. So everytime I try to open my project I ge

Answer 1

In my case, the project was moved to my iCloud Drive without me noticing it.

If it happens to you too, just go to your Finder, locate the project and check if there is a cloud next to it. Just right click it and "Download now". Try again once the download is finished.