The login ID '%1' has not been mapped to any database user ID

Error constant SQLE_LOGON_UNMAPPED
ODBC 2 State 28000
ODBC 3 State 28000
Parameter 1 Name of the login ID that is not mapped.
Severity 16
SQLCODE –313
SQLSTATE 28W09
Sybase error code 13698
Probable cause

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.