MySQL error: Table './..../postparsed' is marked as crashed and Should be repaired

gistfile1.sql

#Try 'REPAIR TABLE postparsed;' first.

DROP TABLE `postparsed`;
CREATE TABLE IF NOT EXISTS `postparsed` (
  `Postid` int (10) unsigned NOT NULL default '0',
  `Dateline` int (10) unsigned NOT NULL default '0',
  `Styleid` smallint (5) unsigned NOT NULL default '0',
  `Languageid` smallint (5) unsigned NOT NULL default '0',
  `Hasimages` smallint (6) NOT NULL default '0',
  `Pagetext_html` medium text,
  PRIMARY KEY ( `postid`,` styleid`, `languageid`)
  KEY `dateline` (` dateline`)
)