Software caused connection abort. Error returned in reply:Connection invalid

Question

My Xcode 9 gives the message to which I don\'t know how to respond. I want to run the app to my simulator, and I am getting this weird message. Attaching the snapshot for the sa

Answer 1

This is because you have multiple versions of Xcode in your system. Just quit all the other versions of xcode and also the simulators. Restart the required version of Xcode and it should work.