Msg 181, Level 15, State 1, Line 1
Cannot use the OUTPUT option in a DECLARE, CREATE AGGREGATE or CREATE FUNCTION statement.
This error message appears when you try to use the OUTPUT option in a DECLARE statement or in a CREATE FUNCTION statement.
The SQL statement cannot be parsed and further execution is stopped.
Errors of the Severity Level 15 are generated by the user and can be fixed by the SQL Server user. The statement cannot be executed this way. The OUTPUT option can only be used inside a stored procedure.
All versions of SQL Server.
DECLARE @p1 int OUTPUT;
In the above example we try to use the OUTPUT option in a DECLARE statement. This raises the error.