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

Error Number: 1053

The Error returned was:
Server shutdown in progress

SQL query:

SELECT DISTINCT DAYOFMONTH(date) as day FROM dle_post WHERE date >= '2026-01-01' AND date < '2026-01-01' + INTERVAL 1 MONTH AND approve=1 AND date < '2026-01-10 04:30:01'