PHP Core Warning – yii\base\ErrorException

$_GET = [
    'S' => [
        'search' => 'сумка холодильник',
    ],
    'page' => '102',
];

$_COOKIE = [
    'PHPSESSID' => 'butnvh8uchqrcgfkuoh1872ua9',
    '_csrf' => '0b2b870a0e8c62b46473a79fa057b70b3267c7eb54bd76c839bb4f77b50e7605a:2:{i:0;s:5:"_csrf";i:1;s:32:"Eo_zaVgkzx1_VSeUZXPJxZTG0FdgoA_7";}',
];

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