PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790918929',
];

$_COOKIE = [
    'PHPSESSID' => 'vnn5si1krig30der4j32fdu1j1',
    '_csrf' => 'f0649ae1446aaf6e5d3687c468b2c07bfa61665674b9d1db854c7529f87735fba:2:{i:0;s:5:"_csrf";i:1;s:32:"LPTGGqSwkh1A_yAo2jHj0ZRX887-ZX4S";}',
    'topics-session' => '1790981783.95.16479.869128|d197bbbd1d400bd72372bc93068ad169',
];

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