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(1234029,1267313,1413953,1418202,1439212,1578013,2489581,3003401,1298891,1322896,1414280,1418909,1431594,1431957,1432116,2469152,2489585,1513449,2489580,456864) ORDER BY FIELD(a.ID, 1234029,1267313,1413953,1418202,1439212,1578013,2489581,3003401,1298891,1322896,1414280,1418909,1431594,1431957,1432116,2469152,2489585,1513449,2489580,456864);