CREATE TABLE `priv_module_templates` (
`module_name` varchar( 200 ) default NULL ,
`template_name` varchar( 200 ) default NULL ,
`content` text,
`create_date` datetime default NULL ,
`modified_date` datetime default NULL ,
KEY `module_name` ( `module_name` , `template_name` )
) TYPE = MYISAM ;

MySQL said: Documentation
#1071 - Specified key was too long; max key length is 1000 bytes