Captured this error from page source:

ELECT COUNT(*) AS count, threadid, MAX(dateline) AS lastpost

FROM post AS post

WHERE post.userid = 84843 AND
post.visible = 1 AND
post.threadid IN (0,519715,519529,517971,519636,518779,519519,519195,519533,519196,519631,519176,519526,519289,519158 ,517687,519497,518907,519591,519407,519192,519313,519624,519651,519577,519315,518816,519568,518633,5 19247,519417,519362,519266,518581,518930,519181,513075,518067,519166,518136,519161,517803,518592,518 545,518842,519091,518677,518711,518708,519080,518863,379780,481420,497842,445718)

GROUP BY threadid;

MySQL Error : Table 'post' is marked as crashed and should be repaired