MySQL issue: Table 'data_dictionary.CHARACTER_SETS' doesn't exist

Question

Recently I have updated from MySQL 5.1 to 5.5 and after few weeks the following error message was displayed each time I access the phpMyAdmin application:

Answer 1

Run sudo mysql_upgrade -u root -p --force

Then restart mysql

i.e. sudo service mysql restart or sudo service mysqld restart depending on the version and distribution you have

You need to logout of phpMyAdmin then login for the change to take effect.