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 06:45:56" AND id != 168 AND id < 168 order by id DESC limit 0,5