title: Cannot use object of type Product as array prestashop 1.7
body: <p>i have problem, when i change the declination on my product page on prestashop 1.7.1.1
  when i looked for the error it look this <a href="https://i.stack.imgur.com/3zb9i.png" rel="nofollow noreferrer">error image</a></p>
  
  <p>any one can help me please, im using prestashop 1.7.1.1</p>