what problem exactly ?
Ah.. I see in your duplicate post:
pending transaction: We have a lot of topics and some FAQs in ZenDesk help system . Depend from where you install MSFS ( Steam / MS-Store ) there are different things you can check on your side, or if nothing helps you can contact the support.
One example from forum:
https://forums.flightsimulator.com/t/marketplace-purchase-is-pending-nothing-happens/501383/20?u=michamma