"The operation couldn't be completed. Invalid argument." while adding a simulator on xcode 10.2.1 (10E1001), MacOS Mojave 10.14.5.
I see the above when I try to add a simulator. Tried re-installing xcode too. Nothing seems to work.
Has anyone faced this issue before?
Facing the same issue with Xcode 11 GM 2 while trying to create a simulator for iOS 12.1.
sudo killall -9 com.apple.CoreSimulator.CoreSimulatorService