FATAL: Error 500 during Checkout

[Gabriel López]

Hi there. This is a fatal error.

During Checkout process, after selected any payment method and doing a Order, Website gives a 500.

?wc-ajax=checkout – 500 internal server error

With debug found:

PHP Fatal error: Uncaught Error: Undefined class constant ‘MAJOR_VERSION’ in /home/gtech.systems/public_html/wp-content/plugins/sync-wc-google/lib/googleclient/vendor/guzzlehttp/guzzle/src/Utils.php:113
Stack trace:
#0 /home/gtech.systems/public_html/wp-content/plugins/sync-wc-google/lib/googleclient/vendor/guzzlehttp/guzzle/src/functions.php(71): GuzzleHttpUtils::defaultUserAgent()
#1 /home/gtech.systems/public_html/wp-content/plugins/post-smtp/Postman/Postman-Mail/google-api-client/vendor/guzzlehttp/guzzle/src/Client.php(194): GuzzleHttpdefault_user_agent()
#2 /home/gtech.systems/public_html/wp-content/plugins/post-smtp/Postman/Postman-Mail/google-api-client/vendor/guzzlehttp/guzzle/src/Client.php(75): GuzzleHttpClient->configureDefaults()
#3 /home/gtech.systems/public_html/wp-content/plugins/sync-wc-google/lib/googleclient/vendor/google/apiclient/src/Client.php(1190): GuzzleHttpClient->__construct()
#4 /home/gtech.systems/public_html/wp-content/plugins/sync-wc-google/lib/googleclient/vendor/google/apiclient/src/Client. in /home/gtech.systems/public_html/wp-content/plugins/sync-wc-google/lib/googleclient/vendor/guzzlehttp/guzzle/src/Utils.php on line 113

Had to disable the Plugin….

[nmedia]

Hi,

you need to disable Post SMTP to remove this conflict

[Gabriel López]

Hi again. I dont understand why to disable… 1. This plugins has been working perfect with us for more than 3 years. 2. I updated to the latest version and still showing the error (when enabled SYNC-WC-GOOGLE Plugin) in Checkout process. 3. I need Post SMTP plugin for sending emails without Spam folder issue.

[Gabriel López]

Hi?

[Author]

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