PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791244025',
];

$_COOKIE = [
    '_csrf' => 'c9a37785f604047d887b706c19e5a9e0f42be35b4131686af8e5df6ce153b238a:2:{i:0;s:5:"_csrf";i:1;s:32:"T_Ir7hHglH4nPQuUawciO_XO2E6YedRl";}',
    'topics-session' => '1791251729.848.16481.177988|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'l6bhksjkfhivef4ehvt9c1s0q0',
];

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