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PHP Noticeyii\base\ErrorException

Trying to get property of non-object

$_GET = [
    'category' => 'mezhkomnatnye-dveri/page',
    'product' => '9',
    'filters' => 'tip-dveri[23]',
];

$_SESSION = [
    '__flash' => [],
    '__returnUrl' => '/catalog/mezhkomnatnye-dveri/page/9?filters=tip-dveri%5B23%5D',
];