MySQL error in file: /home/railptk1/public_html/engine/modules/show.short.php at line 64

Error Number: 3685

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

SQL query:

SELECT id, autor, date, short_story, full_story, xfields, title, category, alt_name FROM tzpc_post WHERE category regexp '[[:<:]](40)[[:>:]]' AND approve=1 AND date < '2024-09-08 09:17:01' ORDER BY date DESC LIMIT 0,10