| Class | Description | |
|---|---|---|
 | KnowledgeGraphException | Managed exception base class for custom KnowledgeGraph exceptions. |
| KnowledgeGraphLayerException | Managed exception base class for custom ArcGIS.Desktop.Mapping.KnowledgeGraphLayer exceptions |
| KnowledgeGraphOpenCypherQueryException | Managed exception class for Knowledge Graph query exceptions. This can occur when a query uses a type not in the database. |
| KnowledgeGraphServiceException | Managed exception base class for Knowledge Graph service exceptions. |
| KnowledgeGraphTypeNotInDataModelException | Managed exception class for Knowledge Graph exceptions when a specified type is not present in the local cached data model. |