title: Publishing or uploading failed. Error message: "The response is not a valid JSON response"
body: <p>Today I got an issue in WordPress. When I try to create a new page and uploading a new image in the WordPress admin section, I try to find out the solution, but I didn't get it... So after sanding an hour I got a solution...</p>
  <h3>Error</h3>
  <blockquote>
  <p>&quot;Publishing failed. Error message: The response is not a valid JSON response.&quot;</p>
  </blockquote>