Help with new node


I’m hit with error on the panel where you see bubble chat ect and where you see what network is connected here is the url

When I’m click on snodes

Its shows up with the following error message

Server error!

The server encountered an internal error and was unable to complete your request.

Error message:
End of script output before headers: sm_lsnodes

If you think this is a server error, please contact the webmaster.
Error 500
Apache/2.4.18 (Unix) PHP/7.0.4

Any help in fixing this error please?