> ## Documentation Index
> Fetch the complete documentation index at: https://docs-pro.global-e.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Prerequisites

Before processing an order, verify that it **does not** contain Out of Stock items. If it does, amend the order or cancel it completely. See [Amend Order Line Item and Quantities](/managing-orders-merchant-portal#amending-order-products) and [Cancelling Orders](/managing-orders-merchant-portal#cancelling-orders).