PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790913254',
];

$_COOKIE = [
    'topics-session' => '1791231230.861.16551.901101|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '5322358ca106f2be67da901062283a70c43dc84fedde8b95cd948d79b2e3800aa:2:{i:0;s:5:"_csrf";i:1;s:32:"kkJxKz7Cj9_EMUJzDLfQfjd44nn65hr0";}',
    'PHPSESSID' => 'hrfnhv5scjkf05dlridlc1f046',
];

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