PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791311268',
];

$_COOKIE = [
    'topics-session' => '1791839938.923.16480.946116|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'gknkeko8ga66iccl6i11gk84d2',
    '_csrf' => '3db11e358f194ebb08bc4cb4bcc6524c12555b4d04e799611d8fd84c58748af6a:2:{i:0;s:5:"_csrf";i:1;s:32:"qoS1hCL1g4BrahuXKZIe7C2UTc5EmvA5";}',
];

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