#0 /var/www/html/vendor/guzzlehttp/guzzle/src/Middleware.php(69): GuzzleHttp\Exception\RequestException::create(Object(GuzzleHttp\Psr7\Request), Object(GuzzleHttp\Psr7\Response), NULL, Array, NULL)
#1 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(204): GuzzleHttp\Middleware::GuzzleHttp\{closure}(Object(GuzzleHttp\Psr7\Response))
#2 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(153): GuzzleHttp\Promise\Promise::callHandler(1, Object(GuzzleHttp\Psr7\Response), NULL)
#3 /var/www/html/vendor/guzzlehttp/promises/src/TaskQueue.php(48): GuzzleHttp\Promise\Promise::GuzzleHttp\Promise\{closure}()
#4 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(248): GuzzleHttp\Promise\TaskQueue->run(true)
#5 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(224): GuzzleHttp\Promise\Promise->invokeWaitFn()
#6 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(269): GuzzleHttp\Promise\Promise->waitIfPending()
#7 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(226): GuzzleHttp\Promise\Promise->invokeWaitList()
#8 /var/www/html/vendor/guzzlehttp/promises/src/Promise.php(62): GuzzleHttp\Promise\Promise->waitIfPending()
#9 /var/www/html/vendor/guzzlehttp/guzzle/src/Client.php(187): GuzzleHttp\Promise\Promise->wait()
#10 /var/www/html/application/libraries/DnApiClient.php(55): GuzzleHttp\Client->request('GET', 'ea/providers/69...')
#11 /var/www/html/application/models/Insurances_model.php(32): DnApiClient->get('ea/providers/69...')
#12 /var/www/html/application/controllers/Appointments.php(194): Insurances_Model->get_available_insurances('699f93798341d22...')
#13 /var/www/html/vendor/codeigniter/framework/system/core/CodeIgniter.php(533): Appointments->index()
#14 /var/www/html/index.php(341): require_once('/var/www/html/v...')
#15 {main}