To manage failed orders,

1. Go to the Magento 2 Admin Panel.
2. On the left navigation bar, click on The Bay Integration menu.
   The menu appears as shown below:
   
3. Click on Failed Orders.
   The Failed Orders page appears as shown below:
   
4. The failed orders along with their details will be displayed in the grid.
5. Click the Actions list Arrow button.
   A menu appears as shown in the following figure:
   
6. To delete the failed orders, click on Delete. The selected failed orders will be deleted.
7. To synchronise the order status of failed orders, click on Sync Order Status. The order status will be synced for failed orders.
8. To reject or cancel the orders, click on Reject/Cancel. The selected failed orders will be rejected.