Yale Home & August integration Help, 400: Bad Request when setup

I am from UK, have a Yale Linus Lock, and Yale Connect WiFi Bridge,

Using the Yale Home App and account.

When i setup with August integration
I choose “Yale Home”, typed my email and password, after clicked “submit”

It shows “Unhandled error: The operation failed with error code 400: Bad Request.”

Anybody can help me? i want HA to work with my Yale Linus Lock.