Fatal error: Uncaught Braintree\Exception: The Braintree library requires the xmlwriter extension. in /var/www/clients/client1/web1/web/modules/paypal/api/sdk/braintree/lib/Braintree.php:41 Stack trace: #0 /var/www/clients/client1/web1/web/modules/paypal/api/sdk/braintree/lib/Braintree.php(46): requireDependencies() #1 /var/www/clients/client1/web1/web/modules/paypal/classes/Braintree.php(30): include_once('/var/www/client...') #2 /var/www/clients/client1/web1/web/modules/paypal/paypal.php(40): include_once('/var/www/client...') #3 /var/www/clients/client1/web1/web/classes/module/Module.php(1129): include_once('/var/www/client...') #4 /var/www/clients/client1/web1/web/classes/module/Module.php(1107): ModuleCore::coreLoadModule('paypal') #5 /var/www/clients/client1/web1/web/classes/Hook.php(522): ModuleCore::getInstanceByName('paypal') #6 /var/www/clients/client1/web1/web/classes/controller/FrontController.php(579): HookCore::exec('displayHeader') #7 /var/www/clients/client1/web1/web/override/classes/controller/FrontContro in /var/www/clients/client1/web1/web/modules/paypal/api/sdk/braintree/lib/Braintree.php on line 41