PHP Core Warning – yii\base\ErrorException

$_GET = [
    'S' => [
        'search' => 'сумка холодильник',
    ],
    'page' => '98',
];

$_COOKIE = [
    'PHPSESSID' => 'ps1fjj09mirfuuvh5luf1q0jkv',
    '_csrf' => '35f68e1792b74694d505dd3d5648832c38426b86a6d0d4ef67823db784999ec2a:2:{i:0;s:5:"_csrf";i:1;s:32:"xYEkmRUFPFHGRCHNlEVtsHFTpBJ3VV_q";}',
];

$_SESSION = [
    '__flash' => [],
];