Fatal error: Uncaught Error: Call to a member function addLink() on null in /home/mxpsandbox/public_html/themes/sandbox/controller/_general.php:7 Stack trace: #0 /home/mxpsandbox/public_html/_controller.php(231): include_once() #1 /home/mxpsandbox/public_html/_settings.php(139): require_once('/home/mxpsandbo...') #2 /home/mxpsandbox/public_html/index.php(14): include_once('/home/mxpsandbo...') #3 {main} thrown in /home/mxpsandbox/public_html/themes/sandbox/controller/_general.php on line 7