The problem starts yesterday when my wordpress site erased all of my category and I can't save any new category, so I decided to re install my wordpress then this happens I can't log in to my wordpress admin panel
here is the error
"Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, firstname.lastname@example.org and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request."
my site is http://www.janecekrealty.com