https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329418#M4598 <P>The first error is because you didn't specify a file extension for the output raster since you were putting it in a folder.... try fil.tif</P> Sun, 17 Sep 2023 22:25:01 GMT DanPatterson 2023-09-17T22:25:01Z https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329395#M4596 <P>I am doing watershed delineation of DEM for my study and using arc hydro tools for that. When I apply fill sinks tool in terrain processing, it give an error. I already done with parallel processing 0 in the environment. But still catch up with that error. I attached files related to the error below. Can someone please help me out in it.</P> Sun, 17 Sep 2023 09:01:23 GMT https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329395#M4596 InshaBatool 2023-09-17T09:01:23Z https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329418#M4598 <P>The first error is because you didn't specify a file extension for the output raster since you were putting it in a folder.... try fil.tif</P> Sun, 17 Sep 2023 22:25:01 GMT https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329418#M4598 DanPatterson 2023-09-17T22:25:01Z https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329462#M4600 <P>My issue is resolved, thank you Patterson.&nbsp;</P> Mon, 18 Sep 2023 05:32:20 GMT https://community.esri.com/t5/arcmap-questions/error-fill-sinks-in-terrain-processing-of-arc/m-p/1329462#M4600 InshaBatool 2023-09-18T05:32:20Z