http status code=406, response=

in Development
So for my client, I am making a orderSync. I am sending in an order but get the http error message back. http status code=406, response=.
Do you know what it means? I haven't found any documentation on it or other questions.
Answers
Hi @apisara1,
Thank you for contacting us.
I don't know what you're doing, but it looks like you're doing something not acceptable, please check https://httpstatuses.com/406