We have experienced this problem ever since we've started using multi-order shipping. Here's a play by play of what happens: 1) Let's say we offer a new product and we sell 600 of them. 2) A week later the products arrive and we are ready to purchase postage and print labels. 3) We dig down into the list of transactions on the list and check off all of the orders for "Large". (We sell t-shirts). These transactions are now buried several hundred transactions deep in the Queue. 4) We select the appropriate shipping pre-set for the "Large" shirts that we've checked. 5) We attempt the apply the preset. 6) The screen dims as if the preset is being applied but that's where everything stops...we've left it for up to an hour with no results. This does not happen if we try to ship newer items nearer to the top of the Queue. The first 150 or so seem to work just fine, but there seems to be a problem with the application coding when we try to dig back much further in the list than that. This problem persists even when we sort the dates in descending order. PLEASE HELP.
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