Warning: Declaration of Configuration::get($key, $id_lang = NULL, $id_shop_group = NULL, $id_shop = NULL) should be compatible with ConfigurationCore::get($key, $idLang = NULL, $idShopGroup = NULL, $idShop = NULL, $default = false) in /usr/home/onstage.es/web/override/classes/Configuration.php on line 0

Fatal error: Uncaught  --> Smarty: Plugin tag 'escape' already registered <-- 
  thrown in /usr/home/onstage.es/web/vendor/smarty/smarty/libs/sysplugins/smarty_internal_method_registerplugin.php on line 48