Database error: [Table 'ac_posts' is marked as crashed and should be repaired]

SELECT a.*, b.post_content FROM ac_posts a INNER JOIN ac_posts_content b ON a.ID = b.ID WHERE a.ID IN(2910673,486067,1610354,2910997,91731,92890,360727,361488,370766,708797,1396262,1577763,1610158,1650208,1670982,1787837,1898413,2910654,2910688,2910798) ORDER BY FIELD(a.ID, 2910673,486067,1610354,2910997,91731,92890,360727,361488,370766,708797,1396262,1577763,1610158,1650208,1670982,1787837,1898413,2910654,2910688,2910798);