MyChenQL, part 6

[filburt1]

...while making a table in PMA:

Error

SQL-query :  

CREATE TABLE `settings` (

`id` INT( 11 ) UNSIGNED NOT NULL AUTO_INCREMENT,
`varname` VARCHAR( 255 ) NOT NULL ,
`prettyname` VARCHAR( 255 ) NOT NULL ,
`description` TEXT NOT NULL ,
`isboolean` TINYINT( 1 ) UNSIGNED NOT NULL ,
`value` TEXT NOT NULL ,
PRIMARY KEY ( `id` ) ,
UNIQUE (
`varname` ,
`prettyname` 
)
) 

MySQL said: 


Specified key was too long. Max key length is 500

Huh?