I'm getting this error too.
in /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsSoapClient.php:154
Stack trace:
#0 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsSoapClient.php(154): SoapClient->SoapClient('
https://adwords...', Array)
#1 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/Lib/AdWordsSoapClient.php(51): AdsSoapClient->__construct('
https://adwords...', Array, Object(AdWordsUser), 'CampaignService', '
https://adwords...')
#2 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/v201607/CampaignService.php(8031): AdWordsSoapClient->__construct('
https://adwords...', Array, Object(AdWordsUser), 'CampaignService', '
https://adwords...')
#3 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/SoapClientFactory.php(161): CampaignService->__construct('
https://adwords...', Array, Object(AdWordsUser))
#4 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/SoapClientFactory.php(85): SoapClientFactory->GenerateServiceClient('CampaignService')
#5 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsUser.php(131): SoapClientFactory->GenerateSoapClient('CampaignService')
#6 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/Lib/AdWordsUser.php(229): AdsUser->GetServiceSoapClient('CampaignService', Object(AdWordsSoapClientFactory))
I'm also getting a different error sometimes too.
exception 'ErrorException' with message 'gzinflate(): data error' in /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsSoapClient.php:178
Stack trace:
#0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'gzinflate(): da...', '/var/www/html/a...', 178, Array)
#1 [internal function]: gzinflate('????????????Qo?...')
#2 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsSoapClient.php(178): SoapClient->__doRequest('<?xml version="...', '
https://adwords...', '', 1)
#3 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/Lib/AdWordsSoapClient.php(72): AdsSoapClient->__doRequest('<?xml version="...', '
https://adwords...', '', 1)
#4 [internal function]: AdWordsSoapClient->__doRequest('<?xml version="...', '
https://adwords...', '', 1, 0)
#5 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/Common/Lib/AdsSoapClient.php(216): SoapClient->__soapCall('mutate', Array, NULL, Array, Array)
#6 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/Lib/AdWordsSoapClient.php(86): AdsSoapClient->__soapCall('mutate', Array)
#7 /var/www/html/ads/vendor/googleads/googleads-php-lib/src/Google/Api/Ads/AdWords/v201607/FeedItemService.php(6213): AdWordsSoapClient->__soapCall('mutate', Array)