Uncaught (in promise) TypeError: Failed to fetch dynamically imported module: https://localhost:7169/_framework/dotnet.js

Good day

I am working on a new blazor app, .NET 8 RC 1 and while the app seems to work locally as I am debugging and making changes, this error pops up in the developer tools (browser) console:

What is it, and how do I fix this?

GET https://localhost:7169/_framework/dotnet.js net::ERR_ABORTED 404 (Not Found)

Uncaught (in promise) TypeError: Failed to fetch dynamically imported module: https://localhost:7169/_framework/dotnet.js