Message Oracle ORA-33068 - (XSAGDNGL33) In AGGMAP workspace object, the hierarchy dimension QDR over dimension workspace object must specify a positive dimension offset.

ERROR	(XSAGDNGL33) In AGGMAP workspace object, the hierarchy dimension QDR over dimension workspace object must specify a positive dimension offset.
CAUSE	The user specified an invalid qualified data reference for the hierarchy dimension.
ACTION	Adjust the AGGMAP so that it uses a valid dimension value qualified data reference.