I am getting this error on every page of the site.

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 'EXPECTED_PRODUCTS_SORT limit MAX_DISPLAY_UPCOMING_PRODUCT' at line 9
in:
[select p.products_id, pd.products_name, products_date_available as date_expected from zen_products p, zen_products_description pd, zen_products_to_categories p2c, zen_categories c where p.products_id = p2c.products_id and p2c.categories_id = c.categories_id and c.parent_id = '56' and p.products_date_available >=20080202 and p.products_id = pd.products_id and p.products_status = 1 and pd.language_id = '1' order by EXPECTED_PRODUCTS_FIELD EXPECTED_PRODUCTS_SORT limit MAX_DISPLAY_UPCOMING_PRODUCTS]


What does it mean? How can it be fixed?