Single Product Page – Thumbnails problem

Hi there,

I use your theme together with the official woocommerce plugin, Product Bundles (https://woocommerce.com/products/product-bundles/).

What is the problem?
The problem is that, when i add Product gallery images (in Bundled Products), in the thumbnails row, except of the gallery images, some other fields appear with the word “undefined”. (Look attached image)

When the problem appears?
– The problem i describe appears ONLY in Bundled Products, not in Simple, Variable or Grouped products.
– The problem appears ONLY when in your Theme settings -> Product page -> Thumbnails position is set to “Left (vertical position” and “Bottom (horizontal position”
– The problem does NOT appear when in your Theme settings -> Product page -> Thumbnails position is set to “Bottom (1 column)”, “Bottom (2 columns)”, “Combined Grid”, “Centered”.

Thank you in anticipation.
Dimis