Plugin Issue / Server Down?

I have been regularly checking back with the plugin portion of the WP site and it seems that portion has been down for at least the past two days. Anyone else experiencing the same issue? If, not can someone assist me in finding a solution?

It reads the following message:

An unexpected error occurred. Something may be wrong with www.remarpro.com or this server’s configuration. If you continue to have problems, please try the support forums.