title: Magento Error when trying to click on product in admin
body: <p>Hi i have this error when i try to click on a product in admin</p>
  
  <pre><code>2016-08-29T10:37:38+00:00 ERR (3): Warning: include(Mage/Productslider/Model/Source/Feature.php): failed to open stream: No such file or directory  in /home/blueb/public_html/lib/Varien/Autoload.php on line 94
  2016-08-29T10:37:38+00:00 ERR (3): Warning: include(): Failed opening 'Mage/Productslider/Model/Source/Feature.php' for inclusion (include_path='/home/blueb/public_html/app/code/local:/home/blueb/public_html/app/code/community:/home/blueb/public_html/app/code/core:/home/blueb/public_html/lib:.:/opt/alt/php55/usr/share/pear:/opt/alt/php55/usr/share/php')  in /home/blueb/public_html/lib/Varien/Autoload.php on line 94
  </code></pre>
  
  <p>I think i had make no changes. I dont installed a new extension. Yesterday i have edit products with no error and today the error is there</p>
  
  <p>thanks for some help</p>