A couple of other people have referenced a similar issue in the Facebook group. My Pack ran into this a
We created a PO that included several rank advancements in the Need to Purchase report. We printed the report, went to the Scout Shop and got what we needed. When coming home, there were ranks off the PO and the PO itself didn’t match what we printed.
For reference, we re-added those ranks back to the open PO and a few hours later some of them removed again, not all, just some.