PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791049675',
];

$_COOKIE = [
    '_csrf' => '71f2f182817755bea263621cc6a76d644a9230f527586c4cfe058085f7608133a:2:{i:0;s:5:"_csrf";i:1;s:32:"Z4A79eTaZ4W-K0y2RBs-Kp_Li_4FrIIe";}',
    'topics-session' => '1791525750.539.17009.924040|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '96lhv2r9op3blupacq2u85o820',
];

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