PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791610909',
];

$_COOKIE = [
    '_csrf' => 'c10665d3abedafa196c887b9fe00a64c0c32125817be14b16ea87028a1e26f5ba:2:{i:0;s:5:"_csrf";i:1;s:32:"XSW-0pilsP_jmqo7Lo0_YEuEAdVzcjEQ";}',
    'topics-session' => '1791614125.015.16551.217104|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '839ap577i2cf4jgvn8t8e4b515',
];

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