title: Could not load type 'Microsoft.AspNetCore.Http.Internal.BufferingHelper' from assembly 'Microsoft.AspNetCore.Http, Version=3.1.0.0
body: <p>I am trying to upgrade my API project from .net core 2.2 to .net core 3.1. I get this exception while I try to make the API call. </p>
  
  <blockquote>
    <p>"Message":"Could not load type 'Microsoft.AspNetCore.Http.Internal.BufferingHelper' from assembly 'Microsoft.AspNetCore.Http, Version=3.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.","Statuscode":500,"TrackingID":"800000bd-0000-fe00-b63f-84710c7967bb"</p>
  </blockquote>
  
  <p>I tried the solution on "<a href="https://github.com/DigDes/SoapCore/issues/293" rel="noreferrer">github</a>" </p>
  
  <p>Please help me fix the issue.</p>