Uncaught Error: Could not find module `ember-resolver` imported from `appName/resolver'

I am using

ember-cli: 3.4.3 ,
node js:10.16.3,
ember-resolver: 5.2.1

ember-serve work perfectly and give

Build successful (25929ms) – Serving on http://localhost:4232/

but on browser console the following error comes and unable to process further

Uncaught Error: Could not find module `ember-resolver` imported from `appName/resolver'

I tried deleting package-lock.json ,node-modules, clearing cache & reinstalling still the same

Can any one help on this please