title: No valid crumb was included in the request - Jenkins on Windows
body: <p>I installed Jenkins 2.46.2 on Windows Server 2012 and integrated it with GitBucket.</p>
  
  <p>I am trying the trigger the build when a change is pushed to GitBucket.</p>
  
  <p>I tried to add a webhook but I get this error:</p>
  
  <blockquote>
    <p>
    Error 403 No valid crumb was included in the request
     <h2>HTTP ERROR 403</h2> <p>Problem accessing
    /jenkins/gitbucket-webhook/. Reason: <pre> No valid crumb was included
  in the request</pre></p><hr><i>Powered by
    Jetty://</i><hr/>  </p>
  </blockquote>