title: Prestashop filemanager Error 500
body: <p>I have a problem in the backoffice and especially in tinyMCE. When I want to add an image a 500 error appears</p>
  
  <p><a href="https://i.stack.imgur.com/qH0yu.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qH0yu.jpg" alt="enter image description here"></a></p>
  
  <p>The strangest in all this is that it loads all the files up to the letter "L"</p>
  
  <hr>
  
  <p>this is what I have in the console. Tell me if I have to find another mistake.</p>
  
  <p><a href="https://i.stack.imgur.com/VHQuz.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VHQuz.jpg" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/LFCTf.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LFCTf.jpg" alt="enter image description here"></a></p>