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(1/1) InvalidArgumentException

Invalid category parameter

in Link.php line 449
at LinkCore->getCategoryLink(null)in EventDataProvider.php line 215
at EventDataProvider->getCategoryPageData()in EventDataProvider.php line 117
at EventDataProvider->generateEventData('hookDisplayHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 15))in EventDispatcher.php line 90
at EventDispatcher->dispatch('hookDisplayHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 15))in ps_facebook.php line 339
at Ps_facebook->hookDisplayHeader(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 15))in Hook.php line 1007
at HookCore::coreCallHook(object(Ps_facebook), 'hookDisplayHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 15))in Hook.php line 438
at HookCore::callHookOn(object(Ps_facebook), 'Header', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 15))in Hook.php line 944
at HookCore::exec('displayHeader')in FrontController.php line 598
at FrontControllerCore->initContent()in CategoryController.php line 137
at CategoryControllerCore->initContent()in Controller.php line 306
at ControllerCore->run()in Dispatcher.php line 518
at DispatcherCore->dispatch()in index.php line 28