00031: Layer contains representation rule <value> which uses custom geometric effect or marker placement.
Your map layer is using a feature class with a representation rule with a custom geometric effect or custom marker placement. Custom representation rule geometric effects or marker placements are not supported. The rule with the problem will be indicated by the <value> parameter.
- Change your representation rule to geometric effects and marker placement provided by ArcGIS. The provided solution will open the representation symbology properties of the layer so the properties can be edited.
- If you do not need this layer in your map, you can remove it from the document.
Representations provide advanced capabilities for symbolizing your data. ArcGIS includes a variety of geometric effects and marker placements that meet most common cartographic specifications. For more information on representations, see the topic What are representations?