Warning: require_once(../../src/contrib/Google_PlusMomentsService.php): failed to open stream: No such file or directory in /var/www/otrs/app/public/plugins/google-api-php-client/examples/moments/simple.php on line 3

Fatal error: require_once(): Failed opening required '../../src/contrib/Google_PlusMomentsService.php' (include_path='/var/www/otrs/app/public/plugins/google-api-php-client/src:.:/usr/share/pear:/usr/share/php') in /var/www/otrs/app/public/plugins/google-api-php-client/examples/moments/simple.php on line 3