PHPMyAdmin alert box - missing value in the form - all usual fields are filled out?

Question

For some reason while using PHPMyAdmin and attempting to save a table, even though I\'ve entered all of the information I usually do I\'m getting an alert box popping up wit

Answer 1

I got this problem too and I had opened same database in phpmyadmin in two separate tabs of browser . When I closed one tab and access phpmyadmin, the problem disappeared.