xcrun can't find Xcode path
Fixed! In terminal:
$ DEVELOPER_DIR="/Applications/Xcode.app/Contents/Developer/"
$ export DEVELOPER_DIR
Explanation:
While reading man xcrun
I noticed that there is DEVELOPER_DIR environment variable that takes precedence of xcode-select. So here we are setting that variable to correct path.
Run this to set your Developer folder:
sudo /usr/bin/xcode-select -switch /Applications/Xcode.app/Contents/Developer
Open Xcode > Preferences > Locations > Select your Xcode version from the dropdown and exit Xcode ref