phpmyadmin/phpmyadmin — pull request #1038 by fliespl (2014-03-10 11:55:01+00:00)
Title: Collation query error when switching from MySQL 5.5 server to MySQL 5.0 , 5.1

When your default server has mysql 5.5 your collation (in GLOBALS) is set to mb4. When you try to change to mysql 5.1 server, you will get error as on this image:

http://codeone.pl/ss/ss-2014-03-10_12-54-41-001.png