No way to populate a 'Site Area' field generated automatically when running Suitability Analysis on polygon data.

Solución alternativa

1. Create and calculate the area in ArcMap.
   1. Open the shapefile in ArcMap.
2. Use the Projection Tool to create the data output in a projected coordinate system.
   1. Navigate to ArcToolbox > Data Management Tools > Projections and Transformations > Project
   2. Click OK to generate a new layer.
   3. Open the new layer's attribute table.
   4. Choose a Projected Coordinate System for the output.
3. Navigate to Table Options > Add field to add a field for area.
4. Calculate Area on the field.
   1. Start an editing session on the layer using the Editor Toolbar.
   2. Right-click the new field in the attribute table.
5. Calculate Geometry
   1. Property = Area.
   2. Save the edits in the Editor Toolbar. Stop the editing session.
   3. Click OK.
6. Export the edited data.
   1. Right-click the layer. Navigate to Data > Export Data.
7. Create a Zip folder for the newly exported data. Exclude a LOCK file if one is generated.
8. Add the data to ArcGIS Online or to ArcGIS Business Analyst Web App.
   1. Adding data to ArcGIS Online:
      1. Navigate to the ArcGIS Online Contents page.
      2. Navigate to Add Item > From My Computer > Choose Zip folder > Add Item.
9. Use the layer in Suitability Analysis in ArcGIS Business Analyst Web App
   1. Launch ArcGIS Business Analyst Web App.
   2. Follow the workflow to create a Suitability Analysis Report and new criteria.
   3. Select the field created using ArcMap.
10. Start a new Project.
11. Navigate to Add Data > Web Maps and Layers. Select the new feature service.
12. Navigate to Create Maps from Data > Suitability Analysis.

Pasos para reproducir