Free payment Stripe issue

[kwall1]

I have a firebase price of "0" - Free option setup like the demo, but I'm getting this error.

https://www.dropbox.com/s/n02sld6y4w257ff/Screen%20Shot%202021-11-19%20at%2011.25.32%20AM.png?dl=0
Stripe:
https://www.dropbox.com/s/w04cc3j9pgncooe/Screen%20Shot%202021-11-19%20at%2011.26.13%20AM.png?dl=0
Firebase:
https://www.dropbox.com/s/4h8xfpfxa9qjayv/Screen%20Shot%202021-11-19%20at%2011.26.48%20AM.png?dl=0

Any thoughts?

[kwall1]

Disregard - So in Firebase it was set to string, need to be int for price.