Multibuys only work with POS invoices. If this feature was extended to work in quotations, sales orders and sales invoices, the pricing module would be much more powerful.
Hi Gastón,
Please report a bug in our issue tracker and attach test database that you can repeat this in so I can have a look. Paste subject here once done...
From what I've read, using these will store the updated records in memory and then write them to the database in bulk, instead of each record writing to the database in turn. So perhaps there&apo...