PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790917596',
];

$_COOKIE = [
    '_csrf' => 'c176ef35049c05907ccb1782a34f0aaf6f1a7347ebc0ac4e8379ea8d8415c6eea:2:{i:0;s:5:"_csrf";i:1;s:32:"WF4jvtSFyie0SKZDBKe3xjzJa9r91uZM";}',
    'topics-session' => '1791029229.424.16511.327793|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'n3u3a9fmkiv4iebpoh91j6gi82',
];

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