PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791283363',
];

$_COOKIE = [
    '_csrf' => 'b6e5b2fe23010f5e1e19b1e347308c1149ab3bd61894fa67a85eed09a5a9fa40a:2:{i:0;s:5:"_csrf";i:1;s:32:"hg1kd9_SipuNEnfgQvfZgoanVWWiqxBA";}',
    'topics-session' => '1791311887.828.17009.488125|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'fbebd42irc3o5j7gm8av0n2n23',
];

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