Blocks missing since yesterday

Hi! I’m sorry to hear that. I haven’t heard of others experiencing this. Our support team would be more than happy to help you troubleshoot. You can submit a ticket here: https://wordpress.org/support/plugin/kadence-blocks/
This post may also be helpful:
https://www.kadencewp.com/blog/how-to-troubleshoot-your-website/
We would love to help you resolve this.

Kindly,
Hannah