You may encounter issues that the item is not available in Amazon catalog while listing in a batch
You are unable to list this item as the data for the product available through Amazon's API is not sufficient.
Kindly consider it as an exception and list directly in Seller Central.
You can list the rest of the products within Accelerlist, and then submit feed instead of previewing and Accepting a Shipment plan:
Then, create a Shipment plan in Seller Central including this product listed directly on Seller Central:
To create a shipment plan directly in seller central, kindly check the article below.