User '%1' already has membership in group '%2'

Error constant SQLE_ALREADY_HAS_GROUP_MEMBERSHIP
ODBC 2 state 42000
ODBC 3 state 42000
Parameter 1 Name of the user that already has membership.
Parameter 2 Name of the group.
Severity 16
SQLCODE -312
SQLSTATE 42W34
Sybase error code 13627
 Probable cause