Ionic serve is not working

i have created an app in ionic version1 and when i try to run using command ionic serve my app is not running and it shows
in browser it shows

how to get rid of this problem?

To that point is not deployed yet, once it’s ready it will launch your browser.

The output it wrong, you should be able to open http://localhost:8100 though.

What is your ionic info output?

Facing the same issue. No resolution as of now