A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: helpers/zajawki_helper.php

Line Number: 110

An Error Was Encountered

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 'ORDER BY `date` DESC LIMIT 10' at line 4

SELECT id, city_id, category_id, zajawka, date, url, name, image_url, parent_url, city_url, category_url FROM zajawki_view WHERE city_id = 47 AND category_id = ORDER BY `date` DESC LIMIT 10