Show Inventory Sub Items on Documents
Personally, I haven't done anything with Inventory Subitems. I intentionally try to avoid them.
But it seems strange that you wouldn't be able to add ARTran.SubID to a report. What is it coming back with? Are you getting an error?
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@Graeme, we have proposed the Product Configuration enhancement from Kensium Solutions in the past when working with stock items including size, color, and style. Each item is a separate SKU but the enhancement allows you to treat them all as a single SKU on a sales order. It also makes creating all the items in the product family easier to process.