MySQL error in file: /engine/cache/system/plugins/93bf16de56a6792596119148304be0a0.php at line 1337

Error Number: 3685

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

SQL query:

SELECT id, date, short_story, xfields, title, category, alt_name FROM dle_post WHERE category regexp '[[:<:]](39|31|3)[[:>:]]' AND MATCH (title, short_story, full_story, xfields) AGAINST ('Микронафты ') AND id != 1156 AND approve=1 LIMIT 8