PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791257051',
];

$_COOKIE = [
    'topics-session' => '1792034043.795.16940.7328|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'pf10mtb6fj0gcbhhq805mcsa46',
    '_csrf' => '41d07095e5c81ed22a662174b95268af814aa81483c81593671410d78398e2c7a:2:{i:0;s:5:"_csrf";i:1;s:32:"WM0r0yngmULjlm2BMP0KZ0TF8J_Tc2v_";}',
];

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