Trying to add a new product to 1 catagory and get this error...
1062 - Duplicate entry '0' for key 1
insert into products (products_quantity, products_model, products_price, products_date_available, products_weight, products_status, products_tax_class_id, manufacturers_id, products_date_added) values ('304', '', '0.9091', null, '', '1', '1', '10', now())