topic Arc Hydro error-Adjust Flow Direction in Lakes in Water Resources Questions https://community.esri.com/t5/water-resources-questions/arc-hydro-error-adjust-flow-direction-in-lakes/m-p/441207#M2173 <HTML><HEAD></HEAD><BODY><P>Hi,&nbsp; I'm running ArcHydro 2.0.15 on ArcGIS Pro 2.3 and I get the following error&nbsp; when I try the Adjust Flow Direction In Lakes tool.&nbsp;&nbsp;</P><P></P><P>&nbsp;('line 258', 'c:\\program files\\arcgis\\pro\\Resources\\ArcToolbox\\Scripts\\ArcHydro\\adjustflowdirectioninlakes.py', "UnboundLocalError: local variable 'listtodel' referenced before assignment")</P><P></P><P>What correction should I make to the code?</P><P></P><P>Thanks</P><P>Brian</P></BODY></HTML> Mon, 25 Feb 2019 19:03:59 GMT Anonymous User 2019-02-25T19:03:59Z Arc Hydro error-Adjust Flow Direction in Lakes https://community.esri.com/t5/water-resources-questions/arc-hydro-error-adjust-flow-direction-in-lakes/m-p/441207#M2173 <HTML><HEAD></HEAD><BODY><P>Hi,&nbsp; I'm running ArcHydro 2.0.15 on ArcGIS Pro 2.3 and I get the following error&nbsp; when I try the Adjust Flow Direction In Lakes tool.&nbsp;&nbsp;</P><P></P><P>&nbsp;('line 258', 'c:\\program files\\arcgis\\pro\\Resources\\ArcToolbox\\Scripts\\ArcHydro\\adjustflowdirectioninlakes.py', "UnboundLocalError: local variable 'listtodel' referenced before assignment")</P><P></P><P>What correction should I make to the code?</P><P></P><P>Thanks</P><P>Brian</P></BODY></HTML> Mon, 25 Feb 2019 19:03:59 GMT https://community.esri.com/t5/water-resources-questions/arc-hydro-error-adjust-flow-direction-in-lakes/m-p/441207#M2173 Anonymous User 2019-02-25T19:03:59Z Re: Arc Hydro error-Adjust Flow Direction in Lakes https://community.esri.com/t5/water-resources-questions/arc-hydro-error-adjust-flow-direction-in-lakes/m-p/441208#M2174 <HTML><HEAD></HEAD><BODY><P>You probably do not have any lake and the listtodel variable was not initialized early enough in the code.</P><P>I will fix it but you can add the line</P><P></P><P>listtodel=[]</P><P></P><P>in the execute function just after:</P><P></P><P>sOK = apwrutils.C_OK</P><P></P><P>Christine</P></BODY></HTML> Tue, 05 Mar 2019 00:04:53 GMT https://community.esri.com/t5/water-resources-questions/arc-hydro-error-adjust-flow-direction-in-lakes/m-p/441208#M2174 ChristineDartiguenave 2019-03-05T00:04:53Z