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GRID_CODE mislabeled in the intermediate file in Sink Evaluation

Question asked by geonetadmin on Mar 26, 2014
Latest reply on Sep 30, 2014 by cdartiguenave-esristaff
Original User: taojing

I use ArcMap 10.2 and Arc Hydro 2.0. I also tried ArcMap 10.0. I got the same error message when trying Sink Evaluation (image 1). It initially appeared to me that the intermediate file tmpA81 does not have the field called Grid_Code in its attribute table. But when I opened that file, it has a field name as gridcode, instead of Grid_Code. The Dissolve function in the error message also only checked Grid_Code for further running, but left gridcode unchecked (image 2). So basically the Sink Evaluation stopped at Dissolve step due to that it could not find the field with the exact name of Grid_Code in the intermediate file. I tried to manually make the check option to complete Dissolve process. Only one expected output file - Sink drainage area was generated, and the second expected output - Sink Polygon does not show. So the function is not completed. Is there a way to fix this issue? Thanks!