Fatal error: Uncaught Error: Call to undefined method Tools::addCss() in /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/modules/prestanotifypro/prestanotifypro.php:971 Stack trace: #0 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/classes/Hook.php(988): PrestaNotifyPro->hookHeader(Array) #1 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/override/classes/Hook.php(40): HookCore::coreCallHook(Object(PrestaNotifyPro), 'hookHeader', Array) #2 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/override/classes/Hook.php(105): Hook::callHookOn_parent(Object(PrestaNotifyPro), 'Header', Array) #3 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/classes/Hook.php(925): Hook::callHookOn(Object(PrestaNotifyPro), 'Header', Array) #4 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/classes/controller/FrontController.php(575): HookCore::exec('displayHeader') #5 /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/override/classes/controller/FrontController.php(20): FrontControllerCore->initContent in /home/rlanhnwmjy/domains/unikatowebonga.pl/public_html/modules/prestanotifypro/prestanotifypro.php on line 971