post request error "errorMessage": "Requested resource not found"

[moibraahim]

I setted local env for deplying this project locally and I test serverless offline,
everything is find till I send post request via postmand this error shows

this is my post request

I made sure my table is exist and it its already exist,
my endpoints working but can not send any post request due that error

I have offline serverless offline plugin insatlled as well as local dynamodb insatlled and running