ESR is no longer able to support it iOS 10 released in 2016
How to request a refund from the Apple Store
Apple Watch not recording the ride
The ESR app needs to access the the Motion & Fitness sensor to record your ride and provide stats including lean angle and elevation. This permission is also used to enable recording when you put ESR in the background to take a call or use other apps.
This is a known bug with some Apple products. A simple setting change can get things looking normal, again