MySQL error in file: /engine/modules/calendar.php at line 167

Error Number: 144

The Error returned was:
Table './novostiarm/dle_post' is marked as crashed and last (automatic?) repair failed

SQL query:

SELECT DISTINCT DAYOFMONTH(date) as day FROM dle_post WHERE date >= '2020-08-01' AND date < '2020-08-01' + INTERVAL 1 MONTH AND approve=1 AND date < '2020-08-15 21:00:47'