Buenas a todos por fin lo encontre , por si alguien le sirve: /statics/logs/ y ahi esta...
He encontrado el error que me da y describe lo siguiente:
PHP Fatal error: main(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "Articulo" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide a __autoload() function to load the class definition in /var/www/vhosts/c.es/httpdocs/a/M_EmailPedido.php on line 25, referer:
http://www.c.es/a/CarroCompra.php?id...o.jpg&accion=A