Xhorse SW-007 Smart Watch Error Use Smart Key Solution

Problem:

Trying to generate Xhorse SW-007 smart watch for my car and this keeps coming up?
Car is 2013 range rover vogue.

Error: Use Smart Key or XM Remote.

SW-007 is the smart key why it still ask for a smart key.

Solution:

Change the battery. The battery must be full.

Feedback:
Yes, tried a battery. I’ve sorted it now.
I took the watch apart and removed the board then held the battery on it and held into the reader on the vvdi tool and it generated it. Its working now