Fatal error: Uncaught Error: Call to undefined method IndexController::registerStylesheet() in /home/regeneba/wwwregenshop2/modules/paypal/paypal.php:879 Stack trace: #0 /home/regeneba/wwwregenshop2/classes/Hook.php(587): PayPal->hookHeader(Array) #1 /home/regeneba/wwwregenshop2/classes/Hook.php(544): HookCore::coreCallHook(Object(PayPal), 'hookheader', Array) #2 /home/regeneba/wwwregenshop2/classes/controller/FrontController.php(579): HookCore::exec('displayHeader') #3 /home/regeneba/wwwregenshop2/controllers/front/IndexController.php(37): FrontControllerCore->initContent() #4 /home/regeneba/wwwregenshop2/classes/controller/Controller.php(189): IndexControllerCore->initContent() #5 /home/regeneba/wwwregenshop2/classes/Dispatcher.php(367): ControllerCore->run() #6 /home/regeneba/wwwregenshop2/index.php(28): DispatcherCore->dispatch() #7 {main} thrown in /home/regeneba/wwwregenshop2/modules/paypal/paypal.php on line 879