Message Oracle ORA-36168 - (XSMXAGGR10) COUNTVAR variable workspace object must have the same dimensionality as workspace object

ERROR(XSMXAGGR10) COUNTVAR variable workspace object must have the same dimensionality as workspace object
CAUSEThe user specified a COUNTVAR variable which is missing at least one dimension of the aggregation variable
ACTIONSpecify a COUNTVAR variable which has at least as many base dimensions as the aggregation variable