unfortunately we found it isn't at the quality standard required to move forward, and you won't be a

Hello friends, I included all the code and graphics standards and sent them in high quality, but they say that the quality is not good.

You need to share a demo if you want feedback

https://chitavo.com/product/whatsapp/
chat plugin whatsapp

It’s not entirely clear from that landing page what the item does - as installation is impossible for potentially buyers, did you include a video/screenshots etc?