No, you can inspect your logic looking for likely candidates to cause an arithmetic overflow (usually multiplication, but maybe also addition (aggregation) over many values). Also look at the source data for numeric columns that contain large values. No need to "try" the job.
IBM Software Services Group
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It turns out that the table was built with 3 fields that were defined shorter then they really are.
Once this was found and corrected the warnings were gone
Thanks Ray!
Roy R.
Time is money but when you don't have money time is all you can afford.