ID:24228 Partition "<partition_descendant>" ("<inst_name_descendant>") cannot be imported as a Partition Database File because its parent or ancestor partition "<partition_ancestor>" ("<inst_name_ancestor>") is marked EMPTY. To fix this error, remove the Partition Database File (QDB_FILE_PARTITION assignment) on partition "<partition_descendant>" or remove the EMPTY assignment on the parent or ancestor partition "<partition_ancestor>".

CAUSE: A partition has a QDB_FILE_PARTITION assignment, while its parent or ancestor partition has an EMPTY assignment.

ACTION: Remove either the QDB_FILE_PARTITION assignment of the child or descendant partition or the EMPTY assignment of the parent or ancestor partition in the Quartus Setting File.