Thanks you soo much ! I change the skin to default, and then, it worked !
I am in a internship, and your help is a relief for my current work.
See the result:
As you can see, the size of the pictures are, for the moment, disproportionate compared to spine animation. But maybe it's because these images weren't created and adjusted in spines. If you have an idea don't hesitate, I will do tests Monday with the studio, with images exported from Spine.
Thank you!
PS: also, maybe it's a little bug. I'm using Odin inspector, that's why I get this List in inspector:
I have done a video to show you the bug:
Spine + Odin + Unity little bug ? - YouTube
When I want to change the slot inside a list, the custom list shows up, BUT when I want to change the KEY, it doen't show me the key related to the slot.
You see in the video this little bug, nothing critical, but it's a little weird, I don't know if it is Odin INspector who break a little bit the code 😉
Thanks you again, have a good day !