MySQL error in file: \engine\modules\calendar.php at line 212

Error Number: 1194

The Error returned was:
Table 'dle_post' is marked as crashed and should be repaired

SQL query:

SELECT DATE_FORMAT(date,'%b %Y') AS m_date, MAX(date) AS max, COUNT(id) AS cnt FROM dle_post WHERE approve=1 AND date < '2018-09-21 18:22:15' GROUP BY m_date ORDER BY max desc