REP-03600: Both document nodes and non-document nodes selected. Select only nodes from one of these types of nodes.
Cause: Navigator>Delete was selected, but both object nodes and document nodes are selected. Documents cannot be closed and deleted in the same action.
Action: To delete objects, deselect all document nodes. To close documents, deselect all object nodes. Then select Navigator>Delete again.
Level: 1
Impact: Other