Hello,
your server is not responding.
have a look: http://prntscr.com/q2qvlw
i would suggest you to follow the following and check if it works??
- Please deactivate all installed 3rd party plugins.
- Delete browsers cache especially cache plugin.
- if any extra codes added by you then remove it.
- Re-save permalinks.
deactivate everything other than wplms defaults then check if it works.
if it does not work then share the admin URL and credentials in a private reply. I will check the issue.