https://community.esri.com/t5/water-resources-questions/dem-processing-for-erosion-error/m-p/1636891#M4611 <P>Hi&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/895397">@OwenStoker</a>,</P><P>What version of Arc Hydro Tools are you using? This was identified as a bug in earlier versions and has since been patched.</P> Mon, 28 Jul 2025 14:42:40 GMT jdrozd 2025-07-28T14:42:40Z https://community.esri.com/t5/water-resources-questions/dem-processing-for-erosion-error/m-p/1626818#M4609 <P>Hello all, I'm trying to run through ArcHydro's H&amp;H Erosion tools but I'm stuck on the second part "DEM Processing for Erosion" any time I try to run it, I get the error "['line 103', 'c:\\program files\\arcgis\\pro\\Resources\\ArcToolbox\\Scripts\\archydro\\demprocessingforerosion.py', 'OSError: "" does not exist']"<BR /><BR />Vectors are in the Layers Feature Dataset and Rasters are in the Layers folder, I can't figure out what is messing up the process exactly.</P> Wed, 25 Jun 2025 18:03:57 GMT https://community.esri.com/t5/water-resources-questions/dem-processing-for-erosion-error/m-p/1626818#M4609 OwenStoker 2025-06-25T18:03:57Z https://community.esri.com/t5/water-resources-questions/dem-processing-for-erosion-error/m-p/1636891#M4611 <P>Hi&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/895397">@OwenStoker</a>,</P><P>What version of Arc Hydro Tools are you using? This was identified as a bug in earlier versions and has since been patched.</P> Mon, 28 Jul 2025 14:42:40 GMT https://community.esri.com/t5/water-resources-questions/dem-processing-for-erosion-error/m-p/1636891#M4611 jdrozd 2025-07-28T14:42:40Z