In this blog post, you’ll learn more about the Sybase Error The login ID ‘%1’ has not been mapped to any database user ID and the reason for receiving this error
Sybase SQL Error Message
The login ID ‘%1’ has not been mapped to any database user ID
Reason for this Error
You attempted to connect using a login ID that is not mapped to a database user ID and there is no guest database user ID, or you attempted to revoke a login ID that has not been mapped. This can also occur when attempting to connect using an integrated login ID that is a member of more than one mapped group.