MySQL error in file: /engine/modules/kodikserials_block.php at line 52

Error Number: 3685

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

SQL query:

SELECT id, title, category, date, alt_name, short_story, xfields FROM dle_post WHERE date >= DATE_SUB(CURRENT_DATE, INTERVAL 2 DAY) AND date < '2025-10-21 00:47:25' AND approve='1' AND category REGEXP '[[:<:]](28)[[:>:]]' AND xfields not LIKE '%Закончен%' GROUP BY date ORDER BY date DESC LIMIT 0 , 14