@MB
I'm sorry to hear that you're experiencing issues with the blocks builder. It sounds like there might be a bug causing the freeze, or it could be related to browser performance. Here are a few steps you can try to resolve the issue:
1. Clear your browser's cache and cookies, as accumulated data can sometimes cause performance issues.
2. Make sure your browser is up to date with the latest version, as updates often include performance improvements and bug fixes.
3. Disable any browser extensions that might be interfering with the blocks builder, as some extensions can cause conflicts.
4. Try using a different web browser to see if the issue persists across browsers.
5. Check if your system meets the minimum requirements for running the blocks builder smoothly.
If none of these steps resolve the issue, please reach out to our support team with details of the problem, including the browser and version you are using, and any error messages you might be seeing. We're here to help you get back to building your voice applications as quickly as possible.