Msg 1074, Level 15, State 1, Line 1
Creation of temporary functions is not allowed.
This error message appears when you try to create a temporary function.
The SQL statement cannot be parsed and further execution is stopped.
Error 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. You must use another valid object type.
All versions of SQL Server.
CREATE FUNCTION #udfT ()
In the above example we try to create a temporary function. This raises the error.