-453 THERE IS A PROBLEM WITH THE RETURNS CLAUSE IN THE CREATE FUNCTION STATEMENT FOR `function-name`

Explanation
 A problem casting the result of user-defined function function-name has
been identified. The CAST FROM data type is not castable to the RETURNS
data type, and it must be. See the SQL Reference for
details on casting between data types.

System action
 The statement cannot be processed.

Programmer response
 Change the RETURNS or CAST FROM clause
so that the CAST FROM data type is castable to the RETURNS data type.

SQLSTATE
 42880

-453 THERE IS A PROBLEM WITH THE RETURNS CLAUSE IN THE CREATE FUNCTION STATEMENT FOR function-name

Explanation

System action

Programmer response

SQLSTATE

-453 THERE IS A PROBLEM WITH THE RETURNS CLAUSE IN THE CREATE FUNCTION STATEMENT FOR `function-name`