Fantastico is not installed at the default location /usr/local/cpanel/3rdparty/fantastico. Either move the Fantastico directory from it’s current location to /usr/local/cpanel/3rdparty/fantastico OR enable ioncube loaders in WHM -> Tweak settings.
Solution is
just SSH to the server and restart cpanel services by run the below command
service cpanel restart
Then the issue will be fix.
Than kyou.