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(1/1) ContextErrorException

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

in Category.php line 2013
at CategoryCore::inShopStatic()in ProductController.php line 821
at ProductControllerCore->assignCategory()in ProductController.php line 321
at ProductControllerCore->initContent()in Controller.php line 306
at ControllerCore->run()in Dispatcher.php line 518
at DispatcherCore->dispatch()in index.php line 28