Rare error when launching to IOS, System.NullReferenceException: Object reference not set to an instance of an object

When launching to IOS from Mac, a vague error failed the launch on:

System.NullReferenceException: Object reference not set to an instance of an object

This was only encountered once and no other machines could reproduce this issue after multiple attempts.

1. Create a new First Person Blueprint template
2. Launch > Connected IOS device

Result: Unhandled Exception is triggered during launch on