PHP Core Warning – yii\base\ErrorException

$_GET = [
    'S' => [
        'search' => 'сумка холодильник',
    ],
    'page' => '199',
];

$_COOKIE = [
    'PHPSESSID' => 'dr2irbc2s1rogmav9a5n5mnf7h',
    '_csrf' => '87f0e9248f535b859eec06f9f20f5a0d00e257f2e197a718dfe06ee44ee87e0ca:2:{i:0;s:5:"_csrf";i:1;s:32:"ZtBqK4pFWXYvX0ptWKsbyGtoyurY5tBo";}',
];

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