PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791204625',
];

$_COOKIE = [
    '_csrf' => 'd3c84bc8900d5010dee53e25b10e9f458c2f7f4287f3b854aa71530d1571d1b2a:2:{i:0;s:5:"_csrf";i:1;s:32:"Vf_UXdSK4w_ifdCypnzGizQWqJrnzxuQ";}',
    'PHPSESSID' => 'kpi1ohlsj30sstk8gsikupld46',
    'topics-session' => '1791269130.957.16974.341063|d197bbbd1d400bd72372bc93068ad169',
];

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