MySQL error in file: /engine/modules/katalog/list.post.php at line 12

Error Number: 3685

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

SQL query:

SELECT COUNT(*) as count FROM dle_katalog_post WHERE category regexp '[[:<:]](1|338|339|340|341|342|343|344|345)[[:>:]]' AND approve='1'