MySQL error in file: /engine/api/api.class.php at line 390

Error Number: 3685

The Error returned was:
Illegal argument to a regular expression.

SQL query:

Select * from dle_post where (category regexp "[[:<:]](7)[[:>:]]") AND approve = 1 AND date < "2026-03-05 06:49:54" AND id != 169 AND id < 169 order by id DESC limit 0,5