Fatal error:  Uncaught GuzzleHttp\Exception\ClientException: Client error: `POST https://login.microsoftonline.com/eeeb1fe4-a830-4f95-a056-463d4a029118/oauth2/v2.0/token` resulted in a `401 Unauthorized` response:
{"error":"invalid_client","error_description":"AADSTS7000222: The provided client secret keys for app 'adb48927-1c77-41e (truncated...)
 in /var/www/dev.spout.be/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php:113
Stack trace:
#0 /var/www/dev.spout.be/vendor/guzzlehttp/guzzle/src/Middleware.php(72): GuzzleHttp\Exception\RequestException::create()
#1 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(209): GuzzleHttp\Middleware::GuzzleHttp\{closure}()
#2 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(158): GuzzleHttp\Promise\Promise::callHandler()
#3 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/TaskQueue.php(52): GuzzleHttp\Promise\Promise::GuzzleHttp\Promise\{closure}()
#4 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(251): GuzzleHttp\Promise\TaskQueue->run()
#5 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(227): GuzzleHttp\Promise\Promise->invokeWaitFn()
#6 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(272): GuzzleHttp\Promise\Promise->waitIfPending()
#7 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(229): GuzzleHttp\Promise\Promise->invokeWaitList()
#8 /var/www/dev.spout.be/vendor/guzzlehttp/promises/src/Promise.php(69): GuzzleHttp\Promise\Promise->waitIfPending()
#9 /var/www/dev.spout.be/vendor/guzzlehttp/guzzle/src/Client.php(189): GuzzleHttp\Promise\Promise->wait()
#10 /var/www/dev.spout.be/vendor/guzzlehttp/guzzle/src/ClientTrait.php(95): GuzzleHttp\Client->request()
#11 /var/www/dev.spout.be/index.php(14): GuzzleHttp\Client->post()
#12 {main}
  thrown in /var/www/dev.spout.be/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php on line 113