A PHP Error was encountered

Severity: Warning

Message: Missing argument 1 for Product::view()

Filename: controllers/product.php

Line Number: 18

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: id

Filename: controllers/product.php

Line Number: 45

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 'AND product_categories.deleted = 0' at line 1

SELECT product_categories.product_cat_id, category_name FROM (product_categories INNER JOIN products_to_categories ON product_categories.product_cat_id = products_to_categories.product_cat_id) INNER JOIN products ON products_to_categories.product_id = products.product_id WHERE products.product_id = AND product_categories.deleted = 0