ID:19736 Exporting the top-level partition (root_partition) is intended for the Partial Reconfiguration and Reserved Core flows. Use Export Design option to export the whole design.

CAUSE: The design does not contain any lower-level Partial Reconfiguration (PARTIAL_RECONFIGURATION_PARTITION) or Reserved Core (RESERVED_CORE) partition.

ACTION: If you want to export the database for your entire design, you can use the Export Design option (Project menu) to export the full design as a version-compatible database for supported devices.