Error while invoking a method from onSubmit

[Kumar]

 I'm developing a forge app, and when trying to invoke a method from 'onSubmit' on a form submit, the method gets invoked but we are not getting any response back instead we see this error in the browser console.

global-bridge.js:2 Uncaught Error: No handler found for post message response for message: invoke from

Does anyone know how to resolve this issue ?