PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790902376',
];

$_COOKIE = [
    'PHPSESSID' => 'bp57ivdope453gegf9ffnmcj67',
    '_csrf' => 'fe1d57ba8b8fdf9e819f601fe4faab71f43a68ca38c5719dc2a521197383cdc7a:2:{i:0;s:5:"_csrf";i:1;s:32:"Vd1_3PECE7emME4py6hd6BrMNf8tDFoC";}',
    'topics-session' => '1790925035.563.16901.489994|d197bbbd1d400bd72372bc93068ad169',
];

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