Sales Order SKUs need to be delivered as a raw data format, one SKU per line comprising
Sales order number
Parent only SKU
SKU Code
SKU Quantity
Child SKUs on the same line in further columns:
SKU Code1
SKU Code1
SKU Code2
SKU Code2
SKU Code2
SKU Code3
SKU Code4
(in this example, 2xSKU Code 1, 3xSKU Code 2, 1xSKU Code 3, 1xSKU Code4)