PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791360410',
];

$_COOKIE = [
    '_csrf' => 'b11cc950aaecbe1184a1888a2e6b52071d2dfb98a6942285a1e3694971e82e12a:2:{i:0;s:5:"_csrf";i:1;s:32:"u3-n4ztXv2i3dwyKtgBv7lyU827iFaFP";}',
    'PHPSESSID' => '756onc8qskj5p42pkl3v6sf0t5',
    'topics-session' => '1791511678.051.16974.39706|d197bbbd1d400bd72372bc93068ad169',
];

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