The specified display field must be visible when publishing features to Portal for ArcGIS.
Do the following to make a field visible:
- In the Table Of Contents pane of ArcMap, right-click the layer that contains the field and click Properties.
- Click the Fields tab.
- Check the box next to the field to make it visible.
- Click OK to close the Layer Properties dialog box.
- Save your map and republish.
For more information on display fields and how to make fields visible, see the following topics: