Fatal error: Uncaught GuzzleHttp\Exception\ClientException: Client error: `POST https://oauth2.googleapis.com/token` resulted in a `401 Unauthorized` response: { "error": "unauthorized_client", "error_description": "Client is unauthorized to retrieve access tokens using this method, or client not authorized for any of the scopes requested." } in /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php:111 Stack trace: #0 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/guzzle/src/Middleware.php(72): GuzzleHttp\Exception\RequestException::create() #1 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(209): GuzzleHttp\Middleware::GuzzleHttp\{closure}() #2 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(158): GuzzleHttp\Promise\Promise::callHandler() #3 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/TaskQueue.php(52): GuzzleHttp\Promise\Promise::GuzzleHttp\Promise\{closure}() #4 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(251): GuzzleHttp\Promise\TaskQueue->run() #5 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(227): GuzzleHttp\Promise\Promise->invokeWaitFn() #6 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(272): GuzzleHttp\Promise\Promise->waitIfPending() #7 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(229): GuzzleHttp\Promise\Promise->invokeWaitList() #8 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/promises/src/Promise.php(69): GuzzleHttp\Promise\Promise->waitIfPending() #9 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/guzzle/src/Client.php(124): GuzzleHttp\Promise\Promise->wait() #10 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/google/auth/src/HttpHandler/Guzzle6HttpHandler.php(65): GuzzleHttp\Client->send() #11 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/google/auth/src/OAuth2.php(678): Google\Auth\HttpHandler\Guzzle6HttpHandler->__invoke() #12 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/google/auth/src/Credentials/ServiceAccountCredentials.php(253): Google\Auth\OAuth2->fetchAuthToken() #13 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/google/auth/src/FetchAuthTokenCache.php(89): Google\Auth\Credentials\ServiceAccountCredentials->fetchAuthToken() #14 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/google/apiclient/src/Client.php(344): Google\Auth\FetchAuthTokenCache->fetchAuthToken() #15 /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/httpdocs/index.php(27): Google\Client->fetchAccessTokenWithAssertion() #16 {main} thrown in /var/www/vhosts/determined-neumann.212-227-125-85.plesk.page/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php on line 111