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_PRODUCTS' at line 5
in:
[select p.products_id, pd.products_name, products_date_available as date_expected, p.master_categories_id from products p, products_description pd where p.products_id = pd.products_id and p.products_status = 1 and pd.language_id = '1' and p.products_date_available >20170820235959 order by EXPECTED_PRODUCTS_FIELD EXPECTED_PRODUCTS_SORT limit MAX_DISPLAY_UPCOMING_PRODUCTS]