The card gets drawn fine but this error wont let me save it, ive never seen this error before and I havent edited it since i last saved it.
Full Code:
https://gist.github.com/samster395/b6ec3a4365404e4cfe01962d78506b69
#customElements.get(...) is undefined
severe robin
severe robin
So simply reloading the YAML configs seems to have fixed it, very strange
rich stone
My guess is it has something to do with the helper trying to get the temperature and humidity. That's about the only thing "out of the ordinary" in terms of your code.