I follow this tutorial to install my phpmyadmin like

sudo apt-get update
sudo apt-get install phpmyadmin php-mbstring php-gettext
(has been selected Apache)
sudo systemctl restart apache2

After i access MY_IP/phpmyadmin and got messsage

ReadResponse() failed: The server did not return a complete response for this request. Server returned 0 bytes.

I refered this But not working

How can i fix that thank.