There was an error invoking the function - Function with handler "index.run" was not found

While running the application as tunnel , I am getting following error . Have anyone faced this error before ?
Application runs fine without any issue when deployed and installed on my site.

There was an error invoking the function - Function with handler “index.run” was not found

Error: Function with handler “index.run” was not found
at LocalInvocationService.invoke (/tunnel/node_modules/@forge/tunnel/out/tunnelling/local-invocation-service.js:22:19)
at LocalDevelopmentServer.handleInvocation (/tunnel/node_modules/@forge/tunnel/out/tunnelling/dev-server.js:23:59)
at Layer.handle [as handle_request] (/tunnel/node_modules/express/lib/router/layer.js:95:5)
at next (/tunnel/node_modules/express/lib/router/route.js:137:13)
at Route.dispatch (/tunnel/node_modules/express/lib/router/route.js:112:3)
at Layer.handle [as handle_request] (/tunnel/node_modules/express/lib/router/layer.js:95:5)
at /tunnel/node_modules/express/lib/router/index.js:281:22
at param (/tunnel/node_modules/express/lib/router/index.js:354:14)
at param (/tunnel/node_modules/express/lib/router/index.js:365:14)
at Function.process_params (/tunnel/node_modules/express/lib/router/index.js:410:3)
at next (/tunnel/node_modules/express/lib/router/index.js:275:10)
at /tunnel/node_modules/body-parser/lib/read.js:130:5
at invokeCallback (/tunnel/node_modules/raw-body/index.js:224:16)
at done (/tunnel/node_modules/raw-body/index.js:213:7)
at IncomingMessage.onEnd (/tunnel/node_modules/raw-body/index.js:273:7)
at IncomingMessage.emit (events.js:314:20)

I found the issue. This issue caused due to sizing of my machine. It takes a lot of time ( more than 15 minutes) for my machine to go beyond “Snapshotting functions”. After showing patience from my side it worked.
P.S. This is my machine size
image

Checking Docker image… 100%
Your Docker image is up to date.on> forge tunnel
Running your app locally with Docker. The tunnel displays your usage from everywhere the app in the development environm
Reloading code…
Press Ctrl+C to cancel.
=== Running forge lint…
No issues found.

=== Bundling code…
App code bundled.

=== Snapshotting functions…

Thanks for the report @SameerPatil,

You may want to try disabling snapshotting in your manifest.yml to see if that improves your tunnelling experience.

app:
  runtime:
    snapshots: false

If you’re comfortable with sharing your code with us, could you please do so to help us see if there’s anything we can fix on our side.