title: TYPO3 You are not allowed to access the given folder
body: <p>Im getting this error when I add/upload icons/images to:
  JF_headerslider extension.
  Backend_Layout.</p>
  
  <p>Then i get the error "You are not allowed to access the given folder" and if i look in my folder with a FTP program, then i can see that the images is uploaded and that i have the right promissions.</p>
  
  <p>Whats wrong, when i now run my live site i get a "TYPO3" Oops, an error occurred! - You are not allowed to access the given folder.</p>
  
  <p>If i delete the images/icons i can run again.</p>
  
  <p>Im running TYPO3 v. 6.1 + Extbase/Fluid.</p>
  
  <p><img src="https://i.stack.imgur.com/R66Ad.png" alt="enter image description here"><img src="https://i.stack.imgur.com/HtAq8.png" alt="enter image description here"></p>