MySQL error in file: /engine/modules/functions.php at line 1510

Error Number: 3685

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

SQL query:

SELECT p.title_Az, p.short_story_Az, p.full_story_Az, p.id, p.autor, p.date, p.short_story, CHAR_LENGTH(p.full_story) as full_story, p.xfields, p.title, p.category, p.alt_name, p.comm_num, p.allow_comm, p.fixed, p.tags, e.news_read, e.allow_rate, e.rating, e.vote_num, e.votes, e.view_edit, e.editdate, e.editor, e.reason FROM median__post p LEFT JOIN median__post_extras e ON (p.id=e.news_id) WHERE ( (title <> '' AND short_story <> '') OR ( xfields LIKE '%hide_for_language|No%' ) ) AND category regexp '[[:<:]](1|2|4|5|6|7|8|9|10|11|12|13|14|15|16|21|22|24)[[:>:]]' AND approve=1 AND date < '2026-04-30 20:26:19' ORDER BY date DESC LIMIT 0,20