Fatal error: Uncaught Error: Interface "WPMailSMTP\Vendor\Google\Auth\FetchAuthTokenInterface" not found in /home/oxygenco/prod/wordpress/wp-content/plugins/wp-mail-smtp/vendor_prefixed/google/auth/src/FetchAuthTokenCache.php:25 Stack trace: #0 {main} thrown in /home/oxygenco/prod/wordpress/wp-content/plugins/wp-mail-smtp/vendor_prefixed/google/auth/src/FetchAuthTokenCache.php on line 25