Orders process directly from marketplace, will affect orders in SelluSeller?

User are recommended to process the orders only from SelluSeller and the order status will gets updated from SelluSeller (OMS) to Marketplaces automatically.

If the order are processed directly on the seller center or Marketplace, the status in SelluSeller (OMS)  will not be able to update accordingly.

To fix this, user can "Mark order as completed". Click the link for guides https://support.selluseller.com/support/solutions/articles/44002414823-mark-orders-as-delivered