https://community.esri.com/t5/community-development-questions/una-error-failed-to-execute-parameters-are-not/m-p/1248358#M107 <P><SPAN>Hi,</SPAN></P><DIV>I am using ArcMap 10.5 for Desktop. I am trying to compute the reach centrality, but when I run the UNA tool I get these errors:</DIV><DIV>&nbsp;</DIV><DIV>Error Failed to execute Parameters are not valid</DIV><DIV>ERROR 000996: Cell size must be greater than zero.<BR />Failed to execute (PointToRaster)</DIV><DIV>&nbsp;</DIV><DIV>I'm not sure what's going on, since I used the UNA Toolbox before and it worked successfully. Please help!</DIV><DIV>&nbsp;</DIV><DIV>Thanks,</DIV><DIV>Aya</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV> Sun, 15 Jan 2023 10:15:43 GMT AyaObaydi 2023-01-15T10:15:43Z https://community.esri.com/t5/community-development-questions/una-error-failed-to-execute-parameters-are-not/m-p/1248358#M107 <P><SPAN>Hi,</SPAN></P><DIV>I am using ArcMap 10.5 for Desktop. I am trying to compute the reach centrality, but when I run the UNA tool I get these errors:</DIV><DIV>&nbsp;</DIV><DIV>Error Failed to execute Parameters are not valid</DIV><DIV>ERROR 000996: Cell size must be greater than zero.<BR />Failed to execute (PointToRaster)</DIV><DIV>&nbsp;</DIV><DIV>I'm not sure what's going on, since I used the UNA Toolbox before and it worked successfully. Please help!</DIV><DIV>&nbsp;</DIV><DIV>Thanks,</DIV><DIV>Aya</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV> Sun, 15 Jan 2023 10:15:43 GMT https://community.esri.com/t5/community-development-questions/una-error-failed-to-execute-parameters-are-not/m-p/1248358#M107 AyaObaydi 2023-01-15T10:15:43Z