help in need for brand approval

Hi can anyone help as I'm stuck with getting approval for x-brand I'm just going back and forth, I have invoice from manufacturer. this is reply I'm getting from verification team . which doesn't make any sense .

Thank you for your application to sell Wahl products. We have reviewed the documentation and information that you provided and determined that you are not eligible to sell x products.

-- You have provided a Unacceptable document. We are unable to accept retail receipts, online order confirmations, packing slips, sales orders, pro forma invoices, or sales quotes for approval. Provide an invoice from a manufacturer, distributor, or your supplier that shows the itemized list of goods that you bought.