PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791400116',
];

$_COOKIE = [
    'topics-session' => '1791525589.5.17008.963403|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'b57e94581b5e4fe2997c69af899b3acc8fa269d3a99261e43de5f034eca0ffa2a:2:{i:0;s:5:"_csrf";i:1;s:32:"Ef6eHRgSBpMc5lWrNzBbVU80o0OrP5lq";}',
    'PHPSESSID' => 'b2671g5jat6pa77gd32ch8hii6',
];

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