PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791601830',
];

$_COOKIE = [
    'PHPSESSID' => '3pbvhsgcapcsftt9k70j5r9ic1',
    '_csrf' => '9a76ea6e9a813e4e13c270f84fc4f24c1cadbc8da028bf5bd8131fc0e262fbfba:2:{i:0;s:5:"_csrf";i:1;s:32:"UYFF1jvF39xX-iWtnyAhJLXh4AppUbiy";}',
    'topics-session' => '1792015798.331.16697.536846|d197bbbd1d400bd72372bc93068ad169',
];

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