Symptom
For a heterogeneous system copy that has a SAP HANA database as its target database, you do not want to export the content of the aggregate fact table.
The data export of this table is not required because no aggregates are required in a BW system on the SAP HANA database.
Other Terms
SMIGR_CREATE_DLL
Solution
See note 1644396 - SMIGR: No data export for aggregate tables