What gameplay feature is this bug affecting?
wardrobe

What's the issue? Please include any error messages you receive and as much detail as possible.
I'm unable to save any wardrobe creations that have the Zvončari Mask decor equipped to them. Tried multiple poses/genders/muts and I am unable to save in all of them. Then I hit save I get a pop-up saying "invalid lion code". It does save a link but clicking on that link will result in the same pop-up.

Any links relating to this bug? For example, if a particular lion is bugging, what is the link to that lion?
For instance this is the wardrobe link decor I was trying to save without the mask: https://www.lioden.com/wardrobe.php?c=dxXD3egGpz

and this is the wardrobe link for the decor with the mask: https://www.lioden.com/wardrobe.php?c=jEyc8g7xCj

Any screenshots you can provide us with?
n/a

Please provide us with step by step explanation how this bug happened so we can attempt to replicate it. If it's complex, please include screenshots where possible:
1. I was in wardrobe and equipped the Zvončari Mask decor to the lion.
2. I tried to save the wardrobe creation and it gave me an error message.

It appears to me that it doesn't work regardless of pose/markings/mut etc.