Plugin not working with Product Labels

Good evening,

I want to start saying that I really apprecciate your work and the plugin is great.

I’m working on an e-commerce/catalog and I included your plugin to help me with the customer’s requests. I included a plugin called Product Labels For Woocommerce (Sale Badges), because I needed a custom badge showing in the Archive page and inside the Single Product template.
The issue is that the badge is not showing when I add the Gallery I customized with your plugin.

There’s a way I can fix this?

Thanks