the $cfg ‘tempdir’ (/var/www/phpmyadmin/tmp/) is not accessible

The cause of this error is a folder permission issue

It can be solved by following as below.

your forder in phpMyAdmin

mkdir tmp
chmod 777 tmp/

Solved error!

good luck 🙂

other Solution.

the $cfg ‘tempdir’ (/var/www/phpmyadmin/tmp/) is not accessible