Ошибка загрузки отчета API отчетов YouTube

При попытке загрузить групповые отчеты YouTube Reporting API от имени владельца контента я получаю сообщение об ошибке.

Я успешно создал задания отчетов, и задания отчетов возвращают URL-адреса загрузки, но загрузка завершается неудачно со следующим сообщением об ошибке:

Произошла ошибка службы: неверный JSON в ответе службы:

дата, CHANNEL_ID, video_id, claimed_status, uploader_type, country_code, ad_type, estimated_youtube_ad_revenue, ad_impressions, estimated_cpm

Кто-нибудь может помочь мне понять, что означает эта ошибка и как решить проблему? Я отследил проблему до сбоя в функции downloadReport. Строка, которая терпит неудачу:

response = $client->execute($request);

Я использовал пример кода PHP, предоставленный разработчиками Google здесь:
https://developers.google.com/youtube/reporting/v1/reports/#code-samples

Моя версия кода «Получить отчет» выглядит следующим образом:

<?php

/**
* This sample retrieves reports created by a specific job by:
*
* 1. Listing the jobs using the "jobs.list" method.
* 2. Retrieving reports using the "reports.list" method.
*
* @author Ibrahim Ulukaya
*/

// Call set_include_path() as needed to point to your client library.
require_once '/../src/Google/autoload.php';
require_once '/../src/Google/Client.php';
require_once '/../src/Google/Service/YouTubeReporting.php';
session_start();

/*
* You can acquire an OAuth 2.0 client ID and client secret from the
* Google Developers Console <https://console.developers.google.com/>
* For more information about using OAuth 2.0 to access Google APIs, please see:
* <https://developers.google.com/youtube/v3/guides/authentication>
* Please ensure that you have enabled the YouTube Data API for your project.
*/
$OAUTH2_CLIENT_ID = 'REPLACE_ME';
$OAUTH2_CLIENT_SECRET = 'REPLACE_ME';

$client = new Google_Client();
$client->setClientId($OAUTH2_CLIENT_ID);
$client->setClientSecret($OAUTH2_CLIENT_SECRET);

/*
* This OAuth 2.0 access scope allows for full read/write access to the
* authenticated user's account.
*/
$client->setScopes('https://www.googleapis.com/auth/yt-analytics-monetary.readonly https://www.googleapis.com/auth/yt-analytics.readonly https://www.googleapis.com/auth/youtubepartner https://www.googleapis.com/auth/youtube.readonly https://www.googleapis.com/auth/youtubepartner-channel-audit https://www.googleapis.com/auth/youtubepartner-content-owner-readonly');
$redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'],
FILTER_SANITIZE_URL);
$client->setRedirectUri($redirect);

// YouTube Reporting object used to make YouTube Reporting API requests.
$youtubeReporting = new Google_Service_YoutubeReporting($client);

if (isset($_GET['code'])) {
if (strval($_SESSION['state']) !== strval($_GET['state'])) {
die('The session state did not match.');
}

$client->authenticate($_GET['code']);
$_SESSION['token'] = $client->getAccessToken();
header('Location: ' . $redirect);
}

if (isset($_SESSION['token'])) {
$client->setAccessToken($_SESSION['token']);
}

// Check to ensure that the access token was successfully acquired.
if ($client->getAccessToken()) {
try {
if (empty(listReportingJobs($youtubeReporting, $htmlBody)))
{
$htmlBody .= sprintf('<p>No jobs found.</p>');
}
else
{
if ($_GET['reportUrl'])
{
downloadReport($youtubeReporting, $_GET['reportUrl'], $htmlBody);
}
else
{
if ($_GET['jobId'])
{
retrieveReports($youtubeReporting, $_GET['jobId'], $htmlBody);
}
}
}
} catch (Google_Service_Exception $e) {
$htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',
htmlspecialchars($e->getMessage()));
} catch (Google_Exception $e) {
$htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>',
htmlspecialchars($e->getMessage()));
}
$_SESSION['token'] = $client->getAccessToken();
} else {
// If the user hasn't authorized the app, initiate the OAuth flow
$state = mt_rand();
$client->setState($state);
$_SESSION['state'] = $state;

$authUrl = $client->createAuthUrl();
$htmlBody = <<<END
<h3>Authorization Required</h3>
<p>You need to <a href="$authUrl">authorize access</a> before proceeding.<p>
END;
}/**
* Returns a list of reporting jobs. (jobs.listJobs)
*
* @param Google_Service_YouTubereporting $youtubeReporting YouTube Reporting service object.
* @param $htmlBody - html body.
*/
function listReportingJobs(Google_Service_YouTubeReporting $youtubeReporting, &$htmlBody) {
// Call the YouTube Reporting API's jobs.list method to retrieve reporting jobs.
$optParams=array("onBehalfOfContentOwner"=>"REPLACE_ME");

$reportingJobs = $youtubeReporting->jobs->listJobs($optParams);

$htmlBody .= "<h3>Reporting Jobs</h3><ul>";
foreach ($reportingJobs as $job) {
$htmlBody .= sprintf('<li>id: "%s", name: "%s" report type: "%s"</li>', $job['id'],
$job['name'], $job['reportTypeId']);
}
$htmlBody .= '</ul>';

return $reportingJobs;
}

/**
* Lists reports created by a specific job. (reports.listJobsReports)
*
* @param Google_Service_YouTubereporting $youtubeReporting YouTube Reporting service object.
* @param string $jobId The ID of the job.
* @param $htmlBody - html body.
*/
function retrieveReports(Google_Service_YouTubeReporting $youtubeReporting, $jobId, &$htmlBody) {
// Call the YouTube Reporting API's reports.list method to retrieve reports created by a job.
$optParams=array("onBehalfOfContentOwner"=>"REPLACE_ME");
$reports = $youtubeReporting->jobs_reports->listJobsReports($jobId, $optParams);

if (empty($reports)) {
$htmlBody .= sprintf('<p>No reports found.</p>');
} else {
$htmlBody .= sprintf('<h2>Reports for the job "%s"</h2>', $jobId);
foreach ($reports as $report) {
$htmlBody .= sprintf('<ul><li>From "%s" to "%s" downloadable at "%s"</li>',
$report['startTime'], $report['endTime'], $report['downloadUrl']);
$htmlBody .= '</ul>';
}
}
}/**
* Download the report specified by the URL. (media.download)
*
* @param Google_Service_YouTubereporting $youtubeReporting YouTube Reporting service object.
* @param string $reportUrl The URL of the report to be downloaded.
* @param $htmlBody - html body.
*/
function downloadReport(Google_Service_YouTubeReporting $youtubeReporting, $reportUrl, &$htmlBody) {
$client = $youtubeReporting->getClient();
// Setting the defer flag to true tells the client to return a request which can be called
// with ->execute(); instead of making the API call immediately.
$client->setDefer(true);

// Call the YouTube Reporting API's media.download method to download a report.
$request = $youtubeReporting->media->download("");
$request->setUrl($reportUrl);
$response = $client->execute($request);

file_put_contents("reportFile", $response->getResponseBody());

$client->setDefer(false);
}
?>

<!doctype html>
<html>
<head>
<title>Retrieve reports</title>
</head>
<body>
<form method="GET">
<div>
Job Id: <input type="text" id="jobId" name="jobId" placeholder="Enter Job Id">
</div>
<br>
<div>
Report URL: <input type="text" id="reportUrl" name="reportUrl" placeholder="Enter Report Url">
</div>
<br>    <input type="submit" value="Retrieve!">
</form>
<?=$htmlBody?>
</body>
</html>