Diagnosis
During processing, the report detected an entry in the table, identicalto the one it was attempting to insert.
If you have already upgraded to 4.0A, and you are re-running thisreport online, it is probable you have hundreds of these errors.

System Response
The report did not overwrite the original entry, as this would lead toloss of data, rather it created this warning.

Procedure
Either;
Nothing (most likely), because this warning is protecting data that youwant.
Change the entries manually in the new views.