Hello all, I am attempting to worth my way through using ArcHydro and HEC-GeoHMS. All has gone smoothly until now. I have tried to change about every setting in the world that I can think of, but to no avail. I have also tried the "ArcHydro Problems Solvers" seen in another thread. Below is the full test of the dialog box: Executing: LongestFlowpath FullDEM3.tif Fdr Subbasin1 "C:\Users\Matt\Desktop\Floodplain Testing\Flowpath.mdb\LongFlow421" Start Time: Fri Apr 01 16:48:43 2016 Executing: CreateFeatureclass "C:\Users\Matt\Desktop\Floodplain Testing\Flowpath.mdb" LongFlow421 POLYLINE # DISABLED DISABLED # # 0 0 0 Start Time: Fri Apr 01 16:48:43 2016 Succeeded at Fri Apr 01 16:48:43 2016 (Elapsed Time: 0.16 seconds) Creating zone raster from drainage area polygons Computing flow length Computing maximum flow length Executing: CopyRaster C:\Users\Matt\AppData\Local\Temp\arc412F\AH20160401164844\ras2865 C:\Users\Matt\AppData\Local\Temp\arc412F\AH20160401164844\tmp25D5 # # -3.402823e+038 NONE NONE # NONE NONE Start Time: Fri Apr 01 16:49:05 2016 Succeeded at Fri Apr 01 16:49:06 2016 (Elapsed Time: 1.03 seconds) Executing: RasterToPoint C:\Users\Matt\AppData\Local\Temp\arc412F\AH20160401164844\tmp25d5 C:\Users\Matt\AppData\Local\Temp\arc412F\AH20160401164844\AHTemp.gdb\tmp249B Value Start Time: Fri Apr 01 16:49:06 2016 Succeeded at Fri Apr 01 16:49:07 2016 (Elapsed Time: 0.66 seconds) Computing flow path from the maximum flow length points Creating flow paths... -49602 Error in ComputeLongestFlowPath System.Runtime.InteropServices.COMException (0x80040215): Exception from HRESULT: 0x80040215 at ESRI.ArcGIS.Geometry.IRelationalOperator.Contains(IGeometry other) at ESRI.APWR.ApHydro.ArcHydroOp.ComputeLongestFlowpath(ApLayers apLayers, Int32 debug, ITrackCancel& trackcancel, IGPMessages& messages, String& exMessage, IRaster costRaster) in C:\Builds\HydroSolutions\10.3_ArcHydro\Sources\ArcHydroTools\src\ApHydro\ArcHydroOp.vb:line 49516 System.Runtime.InteropServices.COMException (0x80040215): Exception from HRESULT: 0x80040215 at ESRI.ArcGIS.Geometry.IRelationalOperator.Contains(IGeometry other) at ESRI.APWR.ApHydro.ArcHydroOp.ComputeLongestFlowpath(ApLayers apLayers, Int32 debug, ITrackCancel& trackcancel, IGPMessages& messages, String& exMessage, IRaster costRaster) in C:\Builds\HydroSolutions\10.3_ArcHydro\Sources\ArcHydroTools\src\ApHydro\ArcHydroOp.vb:line 49516 Failed to execute (LongestFlowpath). Failed at Fri Apr 01 16:49:09 2016 (Elapsed Time: 25.72 seconds) Any ideas? Thanks!
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