Fatal Error

Hi, i was wondering what is ddosing my Website till i found that polylang is trowing a lot of error messages on php7. First i thought it might be because my plugin was not up to date but also with the latest version i get that much error messages that i also can’t access my dashboard if the plugin is active

2016/07/27 03:30:59 [error] 22941#22941: *202515262 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught Error: Call to undefined function xml_parser_create() in /var/www/clients/client1/web12/master/wp-content/plugins/polylang/include/wpml-config.php:49
Stack trace:
#0 /var/www/clients/client1/web12/master/wp-content/plugins/polylang/include/wpml-config.php(138): PLL_WPML_Config->xml_parse('<wpml-config>\r\n...', 'hidden')
#1 /var/www/clients/client1/web12/master/wp-content/plugins/polylang/include/wpml-config.php(23): PLL_WPML_Config->init()
#2 /var/www/clients/client1/web12/master/wp-content/plugins/polylang/include/wpml-config.php(35): PLL_WPML_Config->__construct()
#3 /var/www/clients/client1/web12/master/wp-content/plugins/polylang/polylang.php(200): PLL_WPML_Config::instance()
#4 /var/www/clients/client1/web12/master/wp-includes/plugin.php(496): Polylang->init('')
#5 /var/www/clients/client1/web12/master/wp-settings.php(237): do_action('plugins_loaded')

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