MySQL error in file: /engine/cache/system/plugins/4b7616fcd7adcf41b6895411235dc1ed.php at line 86

Error Number: 3685

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

SQL query:

SELECT `korolev_short_story` AS city_short_story, `korolev_xfields` AS city_xfields, `korolev_title` AS city_title, `korolev_descr` AS city_descr, `korolev_keywords` AS city_keywords, `korolev_tags` AS city_tags, `korolev_metatitle` AS city_metatitle, `cities_list`, `cities_to_show`, p.id, p.autor, p.date, p.short_story, CHAR_LENGTH(p.full_story) as full_story, CHAR_LENGTH(`korolev_full_story`) AS city_full_story, p.xfields, p.title, p.category, p.category_url, 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 INNER JOIN (SELECT DISTINCT(dle_post_extras_cats.news_id) FROM dle_post_extras_cats WHERE cat_id IN ('2')) c ON (p.id=c.news_id) LEFT JOIN dle_post_extras e ON (p.id=e.news_id) WHERE getOutCat='0' AND approve=1 AND `cities_to_show` regexp '[[:<:]](39)[[:>:]]' ORDER BY fixed desc, news_read DESC LIMIT 0,3