The %1 attribute '%2' is not valid

Item Value
SQLCODE -991
Constant SQLE_INVALID_PROCEDURE_ATTRIBUTE
SQLSTATE WW060
Sybase error code 13498
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 The attribute on the procedure
Parameter 2 The value of the attribute

Probable cause 

The attribute value specified on the procedure is not valid.