PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791845653',
];

$_COOKIE = [
    'PHPSESSID' => 'sk4gbt15plr67ucjhro885psv2',
    'topics-session' => '1791911927.755.16958.903029|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'f5f3549b87b9f350ef832e500e609af3ae6e6ed42b008b177ef9ee9a6f02745fa:2:{i:0;s:5:"_csrf";i:1;s:32:"Zd0Ns1nKBz9IETpJTia78uDdzZ_1X4rI";}',
];

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