PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790928705',
];

$_COOKIE = [
    '_csrf' => 'c04d06628051c44c8bcf583f7c42d7d59d415561f30653408d06ab3f80e36c58a:2:{i:0;s:5:"_csrf";i:1;s:32:"2TpPMBGMYAtu8Zq8v6alDedQweBMt8C-";}',
    'topics-session' => '1790945447.254.16615.732398|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'ed6pu75vk96nu855i7qu1hoc47',
];

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