Rocket Kommerce Llp — About invoice

Hello
I had placed order to amazon for one plus Nord gray 12gbram 256gb
on 19 Oct 2020,
after that, I had converted my personal amazon account to a business account on amazon so I found it difficult to get this invoice
right now I have replaced that device so for that now I need an invoice so please can you provide me an invoice
I had attached a photo that I got in my mail at that time but now amazon is also not able to find my invoice
please help with this situation
if you have an invoice then please mail me on [protected]@gmail.com