PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791196709',
];

$_COOKIE = [
    '_csrf' => '9e70027e2be6a0f6d1afb3eb8d2604d931d8cde5130fa4c3a6d41bef2d572ad5a:2:{i:0;s:5:"_csrf";i:1;s:32:"VsK1unykAHsi1XbY6VFKQYMHxHJ9MwmH";}',
    'topics-session' => '1791267165.6.16475.149602|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'dl7ikteb8afffb7a2bvofn3547',
];

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