ORA-03411
The start datetime or end datetime for DATEDIFF or TIMESTAMPDIFF is invalid.
Cause
The second or third argument for DATEDIFF or TIMESTAMPDIFF is invalid or of an unsupported type.
Action
Ensure that the second and third arguments for DATEDIFF or TIMESTAMPDIFF are of the appropriate data types. Both arguments should be either DATE, TIMESTAMP, TIMESTAMP WITH TIMEZONE, or TIMESTAMP WITH LOCAL TIMEZONE, or expressions evaluating to these types.