A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'html' at line 3

SELECT * FROM (`article`) WHERE `articleVisible` = 1 AND articlecategoryID = about-about-1.html

Filename: /home/prevezac/public_html/cci-magnesia.gr/controllers/articles.php

Line Number: 21