topic Error: grid expression. Failed to execute (Weighted Overlay). in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/error-grid-expression-failed-to-execute-weighted/m-p/289520#M4056 <HTML><HEAD></HEAD><BODY><SPAN>I'm trying to overlay several rasters, and I keep getting this error message:</SPAN><BR /><BR /><SPAN>grid expression.</SPAN><BR /><SPAN>Failed to execute (Weighted Overlay).</SPAN><BR /><BR /><SPAN>I don't even know where to begin figuring out what this problem is! HELP!</SPAN></BODY></HTML> Tue, 23 Apr 2013 23:44:38 GMT LaurenCody 2013-04-23T23:44:38Z Error: grid expression. Failed to execute (Weighted Overlay). https://community.esri.com/t5/arcgis-spatial-analyst-questions/error-grid-expression-failed-to-execute-weighted/m-p/289520#M4056 <HTML><HEAD></HEAD><BODY><SPAN>I'm trying to overlay several rasters, and I keep getting this error message:</SPAN><BR /><BR /><SPAN>grid expression.</SPAN><BR /><SPAN>Failed to execute (Weighted Overlay).</SPAN><BR /><BR /><SPAN>I don't even know where to begin figuring out what this problem is! HELP!</SPAN></BODY></HTML> Tue, 23 Apr 2013 23:44:38 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/error-grid-expression-failed-to-execute-weighted/m-p/289520#M4056 LaurenCody 2013-04-23T23:44:38Z Re: Error: grid expression. Failed to execute (Weighted Overlay). https://community.esri.com/t5/arcgis-spatial-analyst-questions/error-grid-expression-failed-to-execute-weighted/m-p/289521#M4057 <HTML><HEAD></HEAD><BODY><SPAN>If you are in Arc 10.0, you might want to install service pack 3.&nbsp; It looks like there were several things it fixed for the weighted sum tool.</SPAN></BODY></HTML> Thu, 25 Apr 2013 10:35:20 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/error-grid-expression-failed-to-execute-weighted/m-p/289521#M4057 melaniewilliams 2013-04-25T10:35:20Z