Listing a product directly in Seller Central
At times, you may get an error when you try to list a product in Accelerlist (e.g. client side error). This may indicate that Amazon's API has insufficient data on the product you are trying to list. As a workaround you may list the product directly in Seller Central.
For the listed product in seller central to be included in the batch, do submit feed instead of previewing and accepting a Shipment plan: (Note: You can list the rest of the products in Accelerlist)
Then, create a Shipment plan in Seller Central including this product listed directly on Seller Central: