MySQL error in file: /engine/modules/calendar.php at line 57

Error Number: 1146

The Error returned was:
Table 'dleeh3an_Eh3an.forum_post' doesn't exist

SQL query:

SELECT date FROM forum_post WHERE date BETWEEN '2021-08-23 00:00:00' AND '2021-09-23 00:00:00' AND approve = '1'