Trace: #0 /var/www/app/vendor/Google/Api/Ads/Common/Util/SimpleOAuth2Handler.php(98): SimpleOAuth2Handler->MakeRequest('https://account...', Array)
#1 /var/www/app/vendor/Google/Api/Ads/Common/Util/OAuth2Handler.php(113): SimpleOAuth2Handler->RefreshAccessToken(Array)
#2 /var/www/app/vendor/Google/Api/Ads/Common/Lib/AdsSoapClient.php(513): OAuth2Handler->GetOrRefreshAccessToken(Array)
#3 /var/www/app/vendor/Google/Api/Ads/Common/Lib/AdsSoapClient.php(216): AdsSoapClient->GenerateHttpHeaders()
#4 /var/www/app/vendor/Google/Api/Ads/AdWords/v201506/AdGroupAdService.php(8262): AdsSoapClient->__soapCall('get', Array)
#5 /var/www/app/google/AdApi.php(30): AdGroupAdService->get(Object(Selector))
#6 /var/www/app/google/GoogleBase.php(130): AdApi->getAdsCached()
#7 /var/www/app/google/AdApi.php(16): GoogleBase->getData(Object(AdApi), 'getAdsCached', 'ads')
#8 /var/www/app/routes/adwords.php(112): AdApi->get()
#9 [internal function]: {closure}()
#10 /var/www/app/vendor/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)
#11 /var/www/app/vendor/Slim/Slim.php(1338): Slim\Route->dispatch()
#12 /var/www/app/vendor/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#13 /var/www/app/vendor/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#14 /var/www/app/middleware/JsonApiMiddleware.php(136): Slim\Middleware\MethodOverride->call()
#15 /var/www/app/middleware/Authorization.php(273): JsonApiMiddleware->call()
#16 /var/www/app/vendor/Slim/Slim.php(1283): Authorization->call()
#17 /var/www/html/index.php(45): Slim\Slim->run()
#18 {main}
Issue 2:
Error: [AuthorizationError.USER_PERMISSION_DENIED @ ; trigger:'<null>']
URL: /adwords/adset/stats
Trace: #0 /var/www/app/vendor/Google/Api/Ads/Common/Lib/AdsSoapClient.php(233): SoapClient->__soapCall('get', Array, NULL, Array, Array)
#1 /var/www/app/vendor/Google/Api/Ads/AdWords/v201506/AdGroupCriterionService.php(10215): AdsSoapClient->__soapCall('get', Array)
#2 /var/www/app/google/AdSetApi.php(135): AdGroupCriterionService->get(Object(Selector))
#3 /var/www/app/google/GoogleBase.php(130): AdSetApi->getAdSetSettingsCached()
#4 /var/www/app/google/AdSetApi.php(100): GoogleBase->getData(Object(AdSetApi), 'getAdSetSetting...', 'ad_set_settings')
#5 /var/www/app/google/AdSetApi.php(192): AdSetApi->getAdSetSettings()
#6 /var/www/app/google/AdSetApi.php(54): AdSetApi->ParseAdSetSettings()
#7 /var/www/app/routes/adwords.php(96): AdSetApi->getAdSetStats('false')
#8 [internal function]: {closure}()
#9 /var/www/app/vendor/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)
#10 /var/www/app/vendor/Slim/Slim.php(1338): Slim\Route->dispatch()
#11 /var/www/app/vendor/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#12 /var/www/app/vendor/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#13 /var/www/app/middleware/JsonApiMiddleware.php(136): Slim\Middleware\MethodOverride->call()
#14 /var/www/app/middleware/Authorization.php(273): JsonApiMiddleware->call()
#15 /var/www/app/vendor/Slim/Slim.php(1283): Authorization->call()
#16 /var/www/html/index.php(45): Slim\Slim->run()
#17 {main}
Issue 3:
Error: [InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ com.google.ads.api.services.common.error.InternalApiError.<init>(InternalApiErro]
URL: /adwords/adset/stats
Trace: #0 /var/www/app/vendor/Google/Api/Ads/Common/Lib/AdsSoapClient.php(233): SoapClient->__soapCall('get', Array, NULL, Array, Array)
#1 /var/www/app/vendor/Google/Api/Ads/AdWords/v201506/AdGroupCriterionService.php(10215): AdsSoapClient->__soapCall('get', Array)
#2 /var/www/app/google/AdSetApi.php(135): AdGroupCriterionService->get(Object(Selector))
#3 /var/www/app/google/GoogleBase.php(130): AdSetApi->getAdSetSettingsCached()
#4 /var/www/app/google/AdSetApi.php(100): GoogleBase->getData(Object(AdSetApi), 'getAdSetSetting...', 'ad_set_settings')
#5 /var/www/app/google/AdSetApi.php(192): AdSetApi->getAdSetSettings()
#6 /var/www/app/google/AdSetApi.php(54): AdSetApi->ParseAdSetSettings()
#7 /var/www/app/routes/adwords.php(96): AdSetApi->getAdSetStats('true')
#8 [internal function]: {closure}()
#9 /var/www/app/vendor/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)
#10 /var/www/app/vendor/Slim/Slim.php(1338): Slim\Route->dispatch()
#11 /var/www/app/vendor/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#12 /var/www/app/vendor/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#13 /var/www/app/middleware/JsonApiMiddleware.php(136): Slim\Middleware\MethodOverride->call()
#14 /var/www/app/middleware/Authorization.php(273): JsonApiMiddleware->call()
#15 /var/www/app/vendor/Slim/Slim.php(1283): Authorization->call()
#16 /var/www/html/index.php(45): Slim\Slim->run()
#17 {main}
Cheers.