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(1/1) ContextErrorException

Notice: Trying to access array offset on value of type bool

in rbthemefunction.php line 974
at Rbthemefunction->hookHeader(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 3))in Hook.php line 1007
at HookCore::coreCallHook(object(Rbthemefunction), 'hookHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 3))in Hook.php line 438
at HookCore::callHookOn(object(Rbthemefunction), 'displayHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 3))in Hook.php line 944
at HookCore::exec('displayHeader')in FrontController.php line 598
at FrontControllerCore->initContent()in PageNotFoundController.php line 42
at PageNotFoundControllerCore->initContent()in Controller.php line 306
at ControllerCore->run()in Dispatcher.php line 525
at DispatcherCore->dispatch()in index.php line 28