ATKRST664E: Error occurred while registering related rest serivce. Extension "VALUE_0" is invalid as it is URI attribute value "VALUE_1" contains more than two path segments.
Explanation: A sub resource URI is relative to extenion element being used. This sub resource URI cannot contain be more than two path segments long.
Operator Response: Specify a valid uri attribute value for the related rest service extension and retry the registration request.