This is the first time I see this, on a pack, when prepared, all is well, every line is showing “Shipped Complete” as completed as well as the quantities, either from inventory or from a job.
However, when we click on “Shipped” to send it to invoicing and close the pack, multiple line are unchecked automatically and are no longer showing “Shipped Complete” as completed. The Sales Order line is therefore not closed. The shipped quantities are still valid however.
Please note that we have items from 2 sales order on this shipping, but this is not the first time we do this and we did not encounter this issue before.