topic Re: arc hydro &gt; longest flow path tool in Water Resources Questions https://community.esri.com/t5/water-resources-questions/arc-hydro-amp-gt-longest-flow-path-tool/m-p/235828#M1079 <HTML><HEAD></HEAD><BODY><SPAN>I also am having issues with the Longest Flow Path in ArcHydro.&nbsp; I keep getting a System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ----&gt; System.FormatException...</SPAN><BR /><BR /><SPAN>I have attached a screenshot of the complete error message:</SPAN><BR /><BR /><SPAN>[ATTACH=CONFIG]11952[/ATTACH]</SPAN><BR /><BR /><SPAN>Any help would be greatly appreciated.:confused:</SPAN><BR /><BR /><SPAN>Thanks.</SPAN><BR /><SPAN>Jeff</SPAN></BODY></HTML> Tue, 14 Feb 2012 12:35:13 GMT JeffreyStevens 2012-02-14T12:35:13Z arc hydro &gt; longest flow path tool https://community.esri.com/t5/water-resources-questions/arc-hydro-amp-gt-longest-flow-path-tool/m-p/235827#M1078 <HTML><HEAD></HEAD><BODY><SPAN>Anybody having any problems with the longest flow path tool in Arc 10 / Arc Hydro 2.0?&nbsp; It just seems to run forever.&nbsp; Basin and fdr both are in projected coordinate system.</SPAN><BR /><BR /><SPAN>Thanks</SPAN><BR /><BR /><SPAN>JMC</SPAN></BODY></HTML> Fri, 10 Feb 2012 13:16:54 GMT https://community.esri.com/t5/water-resources-questions/arc-hydro-amp-gt-longest-flow-path-tool/m-p/235827#M1078 JimmyClark 2012-02-10T13:16:54Z Re: arc hydro > longest flow path tool https://community.esri.com/t5/water-resources-questions/arc-hydro-amp-gt-longest-flow-path-tool/m-p/235828#M1079 <HTML><HEAD></HEAD><BODY><SPAN>I also am having issues with the Longest Flow Path in ArcHydro.&nbsp; I keep getting a System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ----&gt; System.FormatException...</SPAN><BR /><BR /><SPAN>I have attached a screenshot of the complete error message:</SPAN><BR /><BR /><SPAN>[ATTACH=CONFIG]11952[/ATTACH]</SPAN><BR /><BR /><SPAN>Any help would be greatly appreciated.:confused:</SPAN><BR /><BR /><SPAN>Thanks.</SPAN><BR /><SPAN>Jeff</SPAN></BODY></HTML> Tue, 14 Feb 2012 12:35:13 GMT https://community.esri.com/t5/water-resources-questions/arc-hydro-amp-gt-longest-flow-path-tool/m-p/235828#M1079 JeffreyStevens 2012-02-14T12:35:13Z