Unknown Provider e-provider error while using angularjs and ruby on rails

Finally got the solution after hours of research.

There was problem of minification-safe annotation in resolve block. This code was giving the above error.

resolve: {    setParams: function($rootScope, $route) {        $rootScope.Programmeid = $route.current.params.programmeid;        $rootScope.channelid = $route.current.params.channelid;    }}

I resolved it by changing the code to this:

resolve: {    setParams: ['$rootScope', '$route', function($rootScope, $route) {        $rootScope.Programmeid = $route.current.params.programmeid;        $rootScope.channelid = $route.current.params.channelid;    }];}

in my case

app.config(function ($stateProvider) {  $stateProvider    .state('A', {      ...,           });});

was changed to

app.config(["$stateProvider", function ($stateProvider) {  $stateProvider    .state('A', {      ...,           });}]);

then minification works

In my case (Rails app), I had to remove the uglifier gem from my Gemfile and then remove the config line in config/environments/production.rb:

config.assets.js_compressor = :uglifier