PHP Fatal error: Cannot redeclare PMA_sprites()

[aellert]

Steps to reproduce

1. Enable "phpMyAdmin configuration storage settings"
2. Go to login page
   3.

Expected behaviour

Login page with username / password (/server) form

Actual behaviour

Can't login because partial blank page (how to upload a screenshot ?)
error message in nginx logs :
PHP message: PHP Fatal error: Cannot redeclare PMA_sprites() (previously declared in /var/www/phpmyadmin/themes/pmahomme/sprites.lib.php:19)

Server configuration

Operating system: Debian 8

Web server: nginx 1.10

Database: Mysql 5.5

PHP version: 5.6.24

phpMyAdmin version: 4.6.4

Client configuration

Browser: Chrome 53 or Firefox 45

Operating system: Mac OSX 10.11

[aellert]

I was missing $i = 0; $i++; in config.inc.php.