It was solved by executing the following.
sudo chmod 1777 /Volumes/Macintosh\ HD/private/tmp
linkText - https://stackoverflow.com/questions/40238266/launchd-sim-crashing-could-not-create-temporary-state-directory
Rice888
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Post
Replies
Boosts
Views
Activity
I had the same issue after reinstalling Xcode on my MacBook Pro (15-inch, 2018).
I can install apps on actual device iPhone 8...