Xcode: No Scheme

Question

I recently opened project in Xcode is now saying I have No Scheme:

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Answer 1

1. Close Xcode ["Force Quit Applications" (cmd+option+escape) to ensure]
2. Remove derived data of app (Xcode 9.4: Users/[username]/Library/Developer/Xcode/DerivedData/[app directory to delete])
3. Remove .xcworkspace from project directory
4. Also in project directory: .xcodeproj -> Right Click -> Show Package Contents -> remove .xcworkspace if exist -> xcuserdata -> remove [username].xcuserdatad

It should do the trick. Install pods if needed and open project. Target should be available again.