3611050 - Selection of items is greyed out when creating sales document with reference

When creating a sales document with reference to another document, e.g. creating a sales order (OR) with reference to a quantity contract (CQ), on the item selection, all items are selected and for the full quantities, it's not possible to de-select any item and neither to change the quantity.

SAP S/4HANA Cloud Public Edition

create with reference, item selection, va01, va41, va43, sales contract, quantity contract, sales order with reference, full reference, greyed out , KBA , SD-SLS-SO-2CL , Sales Orders (Public Cloud) , SD-SLS-QUT-2CL , Sales Inquiries / Sales Quotations (Public Cloud) , SD-SLS-OA-CCO-2CL , Sales Contracts (Public Cloud) , How To