https://community.esri.com/t5/arcgis-pro-questions/i-keep-getting-an-error-when-i-try-to-calculate/m-p/1059478#M41090 <P>I tried unistalling and reinstalling both ArcGIS Pro 2.8 and Python 3.9.5 with no results. I would appreciate any help. I have attached a screenshot of the error I am getting.</P> Wed, 19 May 2021 16:18:45 GMT Anonymous User 2021-05-19T16:18:45Z https://community.esri.com/t5/arcgis-pro-questions/i-keep-getting-an-error-when-i-try-to-calculate/m-p/1059478#M41090 <P>I tried unistalling and reinstalling both ArcGIS Pro 2.8 and Python 3.9.5 with no results. I would appreciate any help. I have attached a screenshot of the error I am getting.</P> Wed, 19 May 2021 16:18:45 GMT https://community.esri.com/t5/arcgis-pro-questions/i-keep-getting-an-error-when-i-try-to-calculate/m-p/1059478#M41090 Anonymous User 2021-05-19T16:18:45Z https://community.esri.com/t5/arcgis-pro-questions/i-keep-getting-an-error-when-i-try-to-calculate/m-p/1059504#M41093 <P>Could you share the screenshot of the Calculate Geometry tool parameters? What is the spatial reference of the layer and Map?</P><P>Meanwhile, could you check if you get the result using <STRONG>Calculate Field</STRONG>?</P><P>For Area</P><P>Expression 1:</P><P><STRONG>!shape.area!</STRONG></P><P><SPAN>Expression 2:</SPAN></P><P><SPAN>&nbsp;<STRONG>!shape.area@acres!</STRONG></SPAN></P><P>For Perimeter</P><P>Expression 1:</P><P><SPAN><STRONG>!shape.length!</STRONG></SPAN></P><P>Expression 2:</P><P><SPAN><STRONG>!shape.length@yards!</STRONG></SPAN></P> Wed, 19 May 2021 16:39:05 GMT https://community.esri.com/t5/arcgis-pro-questions/i-keep-getting-an-error-when-i-try-to-calculate/m-p/1059504#M41093 JayantaPoddar 2021-05-19T16:39:05Z