Blank page with message on user panel

Hello !
I'm managing cathedories (changing name and title, creating some now cathegories) when the site front end "User Panel" stop to work showing a blank page with the messege bellow:


Internal Server Error

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

Please contact the server administrator at webmaster@mywebsite.com to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Everything is ok in the back end "Admin Panel".
Thanks...!

Hi!
No one have got this trouble occured? No one can answer?

Just try clearing your recent browsing history if this happens and hard refresh to see if all is ok.

Hello Salahadine,

It has PHP fatal issue. You need create a ticket to the Technical Department.