Issue with loading the demo

It seems that there is an error the in the deployment of the worker. When I try to open the [demo](https://northwind.d1sql.com/suppliers) I get this error:


A few notes:
- The demo works fine locally
- Current implementation can be improved by checking whether the server response exists or not, before checking its length (see below). However, that won't fix the core issue.
```diff
const Suppliers = () => {
// some component logic
return (
<>
- {suppliers.length ? (
+ {suppliers?.length ? (