"stop" appears under my slider

Hello,

I installed your extension huge-it picture-gallery, but since on my homepage, I have the word “stop” which appeared in the slider, below left.

http://sousigne-pinsonniere.fr/

When I disables your enxtension the word “stop” disappears.

I like your extension I bought version to develop $ 60.
Can you help me find where does the problem?

Thank you.

Richard Lecomte

https://wordpress.org/plugins/gallery-images/