Fatal error: Uncaught Error: Undefined class constant 'MAJOR_VERSION' in /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/official-facebook-pixel/vendor/guzzlehttp/guzzle/src/Utils.php:118 Stack trace: #0 /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/official-facebook-pixel/vendor/guzzlehttp/guzzle/src/functions.php(71): GuzzleHttp\Utils::defaultUserAgent() #1 /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/woozone/composer/amazon-paapi/paapi5-php-sdk/vendor/guzzlehttp/guzzle/src/Client.php(194): GuzzleHttp\default_user_agent() #2 /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/woozone/composer/amazon-paapi/paapi5-php-sdk/vendor/guzzlehttp/guzzle/src/Client.php(75): GuzzleHttp\Client->configureDefaults(Array) #3 /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/woozone/lib/scripts/amazon/aaAmazonWSNew.class.php(137): GuzzleHttp\Client->__construct() #4 /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/woozone/lib/scripts/amazon/aa in /home/customer/www/trendybuzz.in/public_html/wp-content/plugins/official-facebook-pixel/vendor/guzzlehttp/guzzle/src/Utils.php on line 118