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

Same error. For me running xcode-select helped:

sudo xcode-select -s /Applications/Xcode-beta.app/Contents/Developer/