PU_COUNT_DISTINCT - No Common parent between tables could be found Hello,Im looking for an solution for this challenge:We have 3 SAP ERP TablesVTTK (Shipments)VTTP (Shipment Items)LIKP (Deliveries)LIPS (Delivery Items)VTTK is linked 1:N with VTTPVTTP is linked 1:1 with LIKPLIKP is linked 1:N with LIPSI want to count the distinct material numbers per shipment.Count per delivery works fine: PU_COUNT_DISTINCT(LIKP, "LIPS"."MATNR")But I need it per shipment for further calculating KPIs, like this:PU_COUNT_DISTINCT(VTTK, "LIPS"."MATNR")Here I get the following error:No common parent between tables could be found - Please check your schema. The tables VTTK und LIPS do not have a common parent in the schemaWithin the help I found the BIND function. I tought, this can be the solution:PU_COUNT_DISTINCT(VTTK, BIND(LIKP, "LIPS"."MATNR"))But here I get an error in the formula.How can I solve this with a formula und without changing the data schema.Thanks for you helpThomas