Fatal error: Uncaught Error: Call to undefined method VSCZ\ui\WebPage::addPageColumns() in /var/www/html/vitexsoftware/hosting.php on line 19

Error: Call to undefined method VSCZ\ui\WebPage::addPageColumns() in /var/www/html/vitexsoftware/hosting.php on line 19

Call Stack:
    0.0003     455808   1. {main}() /var/www/html/vitexsoftware/hosting.php:0