You are sharing a hosted web feature layer or a web feature layer associated with a map image layer. A feature layer in your map uses an unsupported area or length field in a label class, as a display field, or for symbology.
Solutions
Change the labeling properties of the layer.
Hover over the analyzer message. Click the Options button that appears and click Open Label Class Pane.
- Click the SQL Query button and change the query to use a field other than the area or length field.
Change the display field for the layer.
- Right-click the layer in the Contents pane and click Properties.
- Click Display and choose a field for Display field other than the area or length field.
- Click OK to apply your changes.
Change the symbology properties of the layer.
Hover over the analyzer message. Click the Options button that appears and click Open Symbology Pane.
- On the Primary symbology tab and Vary symbology by attribute tab , choose a field other than the area or length field.
More information
For more information, see Author maps to publish feature services and Analyze your GIS resource.