Getting 500 internal server error


I am using cloud flare account from last 2 months. Today i tried to restore my back-up and after that i am getting 500 internal server error for subdomain.
I have used wordPress page as a sub-domain
link :

Please help me.
Thanks you in advance

This error comes straight from your host and is Not related to Cloudflare. You should check if you missed something during the restore.