For some reason whenever I make a new release for one of my games and try to upload a downloadable build to it, this error message keeps popping up. Does anyone know how to fix this?

How do you like the shadow Fredbear I've been working on?

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The Poopet

How do you guys like the like the fnaf endo head I've been working on lately, don’t worry also I'm planning on giving it arms, legs, and a body… eventually .

Edit: Thanks for all the likes

I think I finally managed to do this

This model will be available soon, along with all the other FNAF Plus models that I have created.

Just something I've been working on out of boredom...

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The Puppet

Remember that endo head I was working on... me neither. Anyways, I finally decided to start giving it a body.