You are sharing a map image layer that contains a topology and the subtype layer is not visible. When sharing a topology layer, the subtype field must be visible for all topology layers.
Ensure that the subtype field is visible for the layer:
- Hover over the analyzer message. Click the Options button that appears and click Select Layer In The Contents Pane. The layer with the subtype field hidden is selected.
- On the ribbon, under Feature Layer, click the Data tab. In the Design group, click Fields .
- In the fields view, check the box in the Visible column for the subtype field to make the field visible. Click Save .