topic Hydro Network Generation error: Zero-length polylines not allowed in Water Resources Questions https://community.esri.com/t5/water-resources-questions/hydro-network-generation-error-zero-length/m-p/519845#M2690 <HTML><HEAD></HEAD><BODY><P>I'm trying to run the Hydro Network Generation tool on some NHD-Plus streamline data, but am getting the following error:</P><P></P><P>"Zero-length polylines not allowed [class name = HydroEdge, object id = -1]"</P><P></P><P>After running the tool the resulting HydroJunction and HydroEdge feature classes are empty.&nbsp; Has anyone else run into this issue before? Any help would be greatly appreciated.</P></BODY></HTML> Fri, 29 Jan 2016 09:02:00 GMT AngusVaughan1 2016-01-29T09:02:00Z Hydro Network Generation error: Zero-length polylines not allowed https://community.esri.com/t5/water-resources-questions/hydro-network-generation-error-zero-length/m-p/519845#M2690 <HTML><HEAD></HEAD><BODY><P>I'm trying to run the Hydro Network Generation tool on some NHD-Plus streamline data, but am getting the following error:</P><P></P><P>"Zero-length polylines not allowed [class name = HydroEdge, object id = -1]"</P><P></P><P>After running the tool the resulting HydroJunction and HydroEdge feature classes are empty.&nbsp; Has anyone else run into this issue before? Any help would be greatly appreciated.</P></BODY></HTML> Fri, 29 Jan 2016 09:02:00 GMT https://community.esri.com/t5/water-resources-questions/hydro-network-generation-error-zero-length/m-p/519845#M2690 AngusVaughan1 2016-01-29T09:02:00Z