I get an error when I create a request chat()->create

[rocknroll88]

I get an error when I create a request .

version "openai-php/client": "0.7.10",

$result = $client->chat()->create([
'model' => 'gpt-4',
'messages' => [
['role' => 'user', 'content' => 'Hello!'],
],
]);

OpenAI\Exceptions\UnserializableResponse: Syntax error in file /var/www/html/vendor/openai-php/client/src/Transporters/HttpTransporter.php on line 63