010271: Grid <value> does not have a VAT (Value Attribute Table).

Description

The operation requires that the grid raster have an attribute table (VAT), but one is not present in the input. This error may also occur if the data type of the input is required to be integer, and a floating-point raster was specified.

Solution

Create an attribute table for the input raster with the Build Raster Attribute Table tool. Also, ensure that the input raster is integer type.