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(3192830,3192831,3192833,3192856,3192828,3192841,1580257,3192513,885721,1539247,2471461,2624916,2803079,4828412,5157053,5157055,2429116,2976943,1519576,2965794) ORDER BY FIELD(a.ID, 3192830,3192831,3192833,3192856,3192828,3192841,1580257,3192513,885721,1539247,2471461,2624916,2803079,4828412,5157053,5157055,2429116,2976943,1519576,2965794);