getting an error while installing the block

```
 npx shadcn@latest add https://www.shadcn.io/registry/ai-chatbot.json

ERROR - >
Something went wrong. Please check the error below for more details.
If the problem persists, please open an issue on GitHub.

Message:
Failed to fetch from registry (500): https://www.shadcn.io/registry/ai-chatbot.json

Suggestion:
The registry server encountered an error. Try again later.
```
