Invalid join type used with Transact-SQL outer join

Item Value
SQLCODE -681
Constant SQLE_INVALID_TSQL_JOIN_TYPE
SQLSTATE 52W24
Sybase error code 305
ODBC 2 State 37000
ODBC 3 State 42000

Probable cause 

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