Message SAP /IBS/RB171 - Record for individual document &1 does not belong to RBD document &2

Diagnosis
You have tried to extract individual document &v1& from the RBDdocument with the actual record number &v2&. However, the individualdocument is not assigned to the RBD document.

System Response
Processing was terminated.

Procedure
Note the situation in which the error occurred and contact your systemadministrator.