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 ero_post where (category regexp "[[:<:]](27)[[:>:]]" OR category regexp "[[:<:]](11)[[:>:]]" OR category regexp "[[:<:]](12)[[:>:]]") AND approve = 1 AND date < "2025-07-04 07:08:06" AND id != 2561 AND id > 2561 order by id ASC limit 0,3