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Angular Failed to instantiate module after renaming it

I had an Angular module named "sample" and angular debugging console was asking me to rename it to "appname.sample", I did that and I also changed the calling of the module.
But angular seems to be still looking for module sample. and I am getting the error:
$injector:modulerr] Failed to instantiate module decisionone due to: Error: [$injector:nomod] Module is not available! You either misspelled the module name or forgot to load it
Where else am I supposed to change it?
Here is the code:
angular.module('appname.sample', ['ngRoute', 'common', 'ngSanitize'])
and when I am including it:
angular.module('appname.sample')

If you have your config file/route file for that module some where else. Make sure you are also changing that module name.
For example in ngRoute if config and rout specification are defined separately I also need to make module name to be same.
angular.module('appname.sample', []);
angular.module('appname.sample').config(['$routeProvider', function($routeProvider) {
$routeProvider
.when("/urlPath", {
controller: 'controllerName',
templateUrl: 'modules/pathToViewPage/view.html',
});
}
]);

In your index.html file page you should have ng-app="your module name" on a tag somewhere, probably the body tag. Change this to match your new module name.

Could it be maybe that you made already a different module dependent on your sample module something like this:
angular.module('someDifferentModule', ['sample'])
If so you have to rename it here as well:
angular.module('someDifferentModule', ['appname.sample'])
Also, based on the Angular error, it seems that the problem is not with your app.sample but rather with a module named decisionone
$injector:modulerr] Failed to instantiate module decisionone due to:
Error: [$injector:nomod] Module is not available! You either
misspelled the module name or forgot to load it
Are you injecting this some where like this:
angular.module('someModule', ['decisionone'])
and desicionone was never instantiated as a module?

Error while adding dependency for angular-materialize

I want to use materialize for my angular project from https://github.com/krescruz/angular-materialize but I get the error
angular.js:68 Uncaught Error: [$injector:modulerr] Failed to
instantiate module F1FeederApp due to: Error: [$injector:modulerr]
Failed to instantiate module ui.materialize due to: Error:
[$injector:nomod] Module 'ui.materialize' is not available! You either
misspelled the module name or forgot to load it. If registering a
module ensure that you specify the dependencies as the second
argument.
In my app.js:
angular.module('F1FeederApp', [
'ui.materialize',
'F1FeederApp.services',
'F1FeederApp.controllers',
'ngRoute'
]).
What am I doing wrong? According to the link above these declarations should have been enough..

Try running this in root of your project if you are using bower.
bower install angular-materialize --save
and add the source file angular-materialize/src/angular-materialize.js into your index.html
OR
If you are not using bower or node download this file in your project and add it in your index.html
Hope this helps

Grunt build failing after adding angular-leaflet-directive

I've just added angular-leaflet-directive to my project and when I come to build it with Grunt, it's now failing. The dependency was added using bower. This project was built using the Yeoman angular-generator.
Here I'm including the leaflet-directive in my app.js
angular
.module('statsApp', [
'ngCookies',
'ngResource',
'ngSanitize',
'ngRoute',
'leaflet-directive'
])
And then for now, I simply have <leaflet></leaflet> in my view just to get things started.
When the Grunt build fails, I get this error message
Error: [$injector:modulerr] Failed to instantiate module statsApp due to:
Error: [$injector:modulerr] Failed to instantiate module leaflet-directive due to:
Error: [$injector:nomod] Module 'leaflet-directive' is not available! You either misspelled the module name or forgot to load it. If registering a module ensure that you specify the dependencies as the second argument.

This SO post solved my problem. It's not specific to the module I'm adding, but specific to Karma tests failing because they didn't know about the leaflet-directive module.
AngularJS Error: Module ngAnimate is not available

"Failed to instantiate module ngSanitize" when pre-rendering AngualrJS site with PhantomJS

I'm attempting to pre-render my AngularJS site using PhantomJS. (With phantomjs-runner.js from http://www.yearofmoo.com/2012/11/angularjs-and-seo.html) I'm unable to load the page through PhantomJS as the error below occurs. This error does not occur in IE/Chrome/Firefox.
How do I go about fixing this error?
Error:
Error: [$injector:modulerr] Failed to instantiate module SpaceForAfrica due to:
Error: [$injector:modulerr] Failed to instantiate module dialogs due to:
Error: [$injector:modulerr] Failed to instantiate module ngSanitize due to:
Error: [$injector:nomod] Module 'ngSanitize' is not available! You either misspelled the module name or forgot to load it. If registering a
module ensure that you specify the dependencies as the second argument.
http://errors.angularjs.org/1.2.1/$injector/nomod?p0=ngSanitize
at http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.js:1507
at ensure (http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.js:1435)
at module (http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.js:1717)
at http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.js:3527
Module config
var SpaceForAfrica = angular.module('SpaceForAfrica', ['ngRoute', 'HashBangURLs', 'ui.bootstrap', 'ui.bootstrap.tpls', 'google-maps', 'ui.growl', 'dialogs', 'ngSanitize', 'angularSpinner','angulartics', 'angulartics.google.analytics']).config(spaceForAfricaConfig);

It looks like you might be missing a reference to the ngSanitize code. ngSanitize is part of the AngularJS framework (https://docs.angularjs.org/api/ngSanitize), however, you have to include a separate reference before your PhantomJS reference in order to utilize it.
It appears you are using version 1.2.1 of AngularJS, so you could easily just add one of these tags (or grab the code to include in your own app.)
Non-minified:
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular-sanitize.js"></script>
Minified:
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular-sanitize.min.js"></script>

Failed to instantiate module error in Angular js

I encountered the following error with a root cause of Module 'ngRoute' is not available
Uncaught Error: [$injector:modulerr] Failed to instantiate module
Amail due to:
Error: [$injector:modulerr] Failed to instantiate module ngRoute due
to:
Error: [$injector:nomod] Module 'ngRoute' is not available! You either
misspelled the module name or forgot to load it. If registering a
module ensure that you specify the dependencies as the second
argument."
Javascript code :
var amailServices = angular.module('Amail',['ngRoute']);
function emailRouteConfig($routeProvider) {
$routeProvider.
when('/', {
controller: ListController,
templateUrl : 'list.html'}).
when('/view/:id',{
controller : DetailsController,
templateUrl:'detail.html'}).
otherwise({
redirectTo:'/'
});
}
amailServices.config(emailRouteConfig);
How to fix this

You need to include angular-route.js in your HTML:
<script src="angular-route.js">
http://docs.angularjs.org/api/ngRoute

Or the minified version of the file...
<script src="angular-route.min.js"></script>
More information about this here:
"This error occurs when a module fails to load due to some exception. The error message above should provide additional context."
"In AngularJS 1.2.0 and later, ngRoute has been moved to its own module. If you are getting this error after upgrading to 1.2.x, be sure that you've installed ngRoute."
Listed under section Error: $injector:modulerr Module Error in the Angularjs docs.

For me the solution was fixing a syntax error:
removing a unwanted semi colon in the angular.module function

I got this error due to not pointing the script to the correct path. So make absolutely sure that you are pointing to the correct path in you html file.

For me the error occurred due to my browser using a cached version of the js file containing the module. Clearing the cache and reloading the page solved the problem.

Such error happens when,
1. You misspell module name which you injected.
2. If you missed to include js file of that module.
Sometimes people write js file name instead of the module name which we are injecting.
In these cases what happens is angular tries to look for the module provided in the square bracket []. If it doesn't find the module, it throws error.