Once you’ve fixed any errors that prevented a document from being made in QuickBooks Online, retry the import.
Make sure you retry import for all transaction types, including the refunds and inventory adjustments.
Click on “Batch actions” and retry import for the items you’ve selected or Retry Import For All items.
You can filter out all the failed orders below and then try the batch retry import option.
On any page, you can bring up the search and filter options. Filter by Import Failed to see all transactions that have not been imported.