Install Doesn't Work

user warning: BLOB/TEXT column 'data' can't have a default value query: CREATE TABLE context ( `cid` INT unsigned NOT NULL auto_increment, `namespace` VARCHAR(64) NOT NULL DEFAULT '', `attribute` VARCHAR(64) NOT NULL DEFAULT '', `value` VARCHAR(64) NOT NULL DEFAULT '', `data` LONGTEXT NOT NULL DEFAULT '', PRIMARY KEY (cid), UNIQUE KEY key1 (namespace, attribute, value) ) /*!40100 DEFAULT CHARACTER SET UTF8 */ in mypath\includes\database.inc on line 515.