topic NextDownID isn't populating but has no error? in Water Resources Questions https://community.esri.com/t5/water-resources-questions/nextdownid-isn-t-populating-but-has-no-error/m-p/698467#M3604 <HTML><HEAD></HEAD><BODY><P>I am using Arc 10.2.2 and trying to populate the Strahler order field using the Arc Hydro Tools.&nbsp; I have downloaded the latest Arc Hydro Tools (ArcHydroTools 10.2.0.198.msi) and can't seem to get the Find Next Downstream Line to function properly.&nbsp; The Hydro ID is populated, the From and To Node fields are populated, but when I run the Find Next Downstream Line it doesn't populate the NextDownID field?&nbsp; It creates the field but the value is &lt;Null&gt; for all features.&nbsp; Also it gives no errors and actually says it has completed successfully in the Results window.&nbsp; Any ideas on how to fix this?&nbsp; I have tested this on 2 different databases with same results.</P></BODY></HTML> Thu, 04 Feb 2016 20:36:22 GMT aprilgibbs 2016-02-04T20:36:22Z NextDownID isn't populating but has no error? https://community.esri.com/t5/water-resources-questions/nextdownid-isn-t-populating-but-has-no-error/m-p/698467#M3604 <HTML><HEAD></HEAD><BODY><P>I am using Arc 10.2.2 and trying to populate the Strahler order field using the Arc Hydro Tools.&nbsp; I have downloaded the latest Arc Hydro Tools (ArcHydroTools 10.2.0.198.msi) and can't seem to get the Find Next Downstream Line to function properly.&nbsp; The Hydro ID is populated, the From and To Node fields are populated, but when I run the Find Next Downstream Line it doesn't populate the NextDownID field?&nbsp; It creates the field but the value is &lt;Null&gt; for all features.&nbsp; Also it gives no errors and actually says it has completed successfully in the Results window.&nbsp; Any ideas on how to fix this?&nbsp; I have tested this on 2 different databases with same results.</P></BODY></HTML> Thu, 04 Feb 2016 20:36:22 GMT https://community.esri.com/t5/water-resources-questions/nextdownid-isn-t-populating-but-has-no-error/m-p/698467#M3604 aprilgibbs 2016-02-04T20:36:22Z