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(4136182,4373900,430899,933703,1134685,1551803,1578734,1880132,2231974,2762229,2815500,3313345,3414091,3456040,3631167,3832115,3999051,4297079,4444135,4599284) ORDER BY FIELD(a.ID, 4136182,4373900,430899,933703,1134685,1551803,1578734,1880132,2231974,2762229,2815500,3313345,3414091,3456040,3631167,3832115,3999051,4297079,4444135,4599284);