Invalid join type used with Transact-SQL outer join

Error constant SQLE_INVALID_TSQL_JOIN_TYPE
ODBC 2 State 37000
ODBC 3 State 42000
Severity 16
SQLCODE –681
SQLSTATE 52W24
Sybase error code 305
Probable cause

An invalid join type was used with a query that contains Transact-SQL outer join comparison operators.