MySQL error in file: /engine/modules/show.short.php at line 87

Error Number: 3685

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

SQL query:

SELECT 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 dle_post p LEFT JOIN dle_post_extras e ON (p.id=e.news_id) WHERE category regexp '[[:<:]](36|33|37|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|154|155|156|157|188|200|201|202|204|207|208|211|212|213|214|215|228|229|243|247|304|305|307|308|309|310|311|312|313|314|315|316|317|318|360|361|371)[[:>:]]' AND approve=1 ORDER BY date DESC LIMIT 450,18