ORA-01405: fetched column value is NULL

Cause: The INTO clause of a FETCH operation contained a NULL value, and no indicator was used. The column buffer in the program remained unchanged, and the cursor return code was +2. This is an error unless you are running Oracle with DBMS=6, emulating version 6, in which case it is only a warning.

Action: You may do any of the following:
 Use the NVL function to convert the retrieved NULL to another value, such as zero or blank. This is the simplest solution.
 Use an indicator to record the presence of the NULL. You probably should use this option when you want a specific action to be taken when a NULL arises.
 Revise the cursor definition so that no columns possibly containing NULL values are retrieved.

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