In this blog post, you’ll learn more about the Sybase Error Invalid logical server combination for ADD or SET clause. and the reason for receiving this error
Sybase SQL Error Message
Invalid logical server combination for ADD or SET clause.
Reason for this Error
The specified logical server combination for ADD or SET clause of ALTER LOGIN POLICY is invalid. SERVER and NONE cannot be specified with ADD clause. SERVER and NONE cannot be specified with any other logical server.