Creating gauge tables, I'm getting an error that says " The specified bend allowance value for the given radius and thickness is invalid."

Hi all. In our shop we have different bend allowances for for different gauges. Currently I am creating gauge tables using the example bend allowance table but I have some gauges that have a negative bend allowance. Can the table accept negative bend allowances? Is there a way to get solidworks to accept a negative bend allowance value?  A screenshot of the error is attached along with my in progress gauge table excel sheet.

Another quick question, is entering the value 100 still the way to get solidworks to ignore the value in that cell?

SolidworksSheet Metal