Strange angular js error - javascript

I am facing a strange angular js error. I am building an angular app. I am not very much proficient in angular. However I have successfully created some complex app. Now I am having a error in the browser console.
I can't understand the error a bit. The error shows stackFrame.js. But in my project there is no such js and I have searched web about it and I could not find any thing and the error is very fragile also. Once the error appears all angular activities are not working any more.
I can only attach the screen shot and the 'question_set.js (line 249)' is my code and on that line I have used $scope.$apply().
One more thing I would like to say that I used jquery ajax instead of angular http service. Because In yii2 the angular http does not populate the post data properly. I only can provide the screen shot.
Thanks in advance. If anyone and kindly give any clue. Specially the angular masters.

The error "href is null" seems to be a bug in Firebug according to this SO-post: AngularJS doesn't show specific errors in the Firebug console anymore .
The error is hiding an actual error in your code, but you can't see it because of the bug in Firebug. Try the default developer tools in Firefox or try another browser to find out what your actual error is.

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I'm working in an angularjs application but somehow this plugin 'smart-table' it's not being added to my app modules array but that's not the problem, I want to know why firefox and firebug show the error like this, and if there's a way to fix this
this is how firefox and firebug show the error in the console. I tried using only the firefox console without a firebug but it's the same they both show the error the same way
why it appears all those percentage symbols and big letter cases 'F'?
Error: [$injector:modulerr] http://errors.angularjs.org/1.4.8/$injector/modulerr?p0=SistemaActividades&p1=%5B%24injector%3Amodulerr%5D%20http%3A%2F%2Ferrors.angularjs.org%2F1.4.8%2F%24injector%2Fmodulerr%3Fp0%3Dsmart-table%26p1%3D%255B%2524injector%253Anomod%255D%2520http%253A%252F%252Ferrors.angularjs.org%252F1.4.8%252F%2524injector%252Fnomod%253Fp0%253Dsmart-table%250AG%252F%253C%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A6%253A416%250Ade%252F%253C%252F%253C%252F%253C%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A24%253A186%250Ab%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A23%253A251%250Ade%252F%253C%252F%253C%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A23%253A494%250Ag%252F%253C%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A38%253A117%250An%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A7%253A331%250Ag%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A37%253A488%250Ag%252F%253C%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A38%253A134%250An%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A7%253A331%250Ag%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A37%253A488%250Aeb%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A41%253A249%250Ayc%252Fc%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A19%253A463%250Ayc%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A20%253A274%250AZd%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A19%253A83%250A%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A294%253A192%250Ab%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A175%253A62%250AIf%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A35%253A365%250AHf%252Fd%2540http%253A%252F%252Fajax.googleapis.com%252Fajax%252Flibs%252Fangularjs%252F1.4.8%252Fangular.min.js%253A35%253A314%250A%0AG%2F%3C%40http%3A%2F%2Fajax.googleapis.com%2Fajax%2Flibs%2Fangularjs%2F1.4.8%2Fangular.min.js%3A6%3A416%0Ag%2F%3C%40http%3A%2F%2F
This error is thrown by angular when it cant find the module that you are trying to pass, it is actually a link to angular docs that describe the error.
Try to check if the js of smart table is loaded before you pass to your app
load angular.js, than smarttable.js
then use it
angular.module('myApp',['smart-table']
That error happens when you have a dependency that you that you have not included the proper files for. This can happen when using third-party modules that you find from repositories.
Often times the module that you use will have it's own dependencies with it's own required files as well. Just ensure that all your dependencies are fulfilled.

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I'm running a Rails 4.2 app and I am getting the spinning cursor. Found this error. But I don't know how to deal with it. I am using a template. What causes this? what should I be looking for to fix it? I don't even know what code I should post to show here.

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I'm trying to get up to speed with AngularJS, coming from a Java background, not Javascript. I'm used to stepping into a debugger with Eclipse, MSDEV, etc, but not so much used to Google Chrome's dev tools or WebStorm (which I intend to use). Occasionally, I've made a mistake that apparently is detected upon startup. I'm guessing it's logged someplace (I hope!), and then silently continues. Then when I go to the page that would use the controller, I get the
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I could post today's issue, but I'd rather have the tools to diagnose this myself than just solve the problem for today.
Install angularJS batarang chrome extension.
Go through github repository of angularJS-batarang
This extension is nice and we can easily debug the angularJS applications
About your error : possible duplicate of AngularJS/Jade Error: Argument 'MyController' is not a function, got undefined (MEAN)

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