Description
A field with the same name already exists in the attribute table (VAT) of the raster you are trying to add a new field to.
Solution
Rename the input field name so that it is different from all the existing fields.
A field with the same name already exists in the attribute table (VAT) of the raster you are trying to add a new field to.
Rename the input field name so that it is different from all the existing fields.