How do I get accesss to the root machine...
root user is the Administrator of the Server which has full control over the WHM/cPanel functions. If You are the Root user, Check the Logs:
Code:
# /usr/local/cpanel/logs/error_log
If You do not find anything inside error Log, Then Most probably You need to Update cPanel/WHM to see if that helps:
Another Reason can be You are using Safari Browser. At this time, this error seems to only affect Safari browsers that do not support AJAX scripting, specifically version 4 and some version 5.
Try using newer Browsers like Google Chrome, Microsoft Edge or Mozilla Firefox