launchd_sim crashing: could not create temporary state directory

Question

The issue is fixed with recent update of Mac OSX.

I am using Xcode 8 on Mac Mini running OSX El Capitan (10.11.6). When I deploy my app

Answer 1

The problem is, for some reason, your system has orphaned launch_sim processes.

The solution is to:

1. quit the simulator
2. open Activity Montior and search for sim.
3. manually Force Quit any launch_sim, ScriptAgent, or instruments processes.