Error 500

A critical error occurred in the application. Terminating.

Uncaught Error: Call to a member function fetch_all() on bool in /home/u312729382/domains/aruble.net/public_html/controllers/blogController.php:92 Stack trace: #0 /home/u312729382/domains/aruble.net/public_html/lib/Astrid/App.php(162): blogController->article(2) #1 /home/u312729382/domains/aruble.net/public_html/lib/Astrid/App.php(71): fernico->loadController() #2 /home/u312729382/domains/aruble.net/public_html/resources/index.php(21): fernico->__construct() #3 {main} thrown