Please make that your app is in the root directory of your project. By this I mean if by mistake you start an app outside your main directory, Django will not be able to find your app and the only solution is to move it to your project's main directory. The screenshots show how to fix the problementer image description herethe first images show the wish also prompts this error that your apps are not loaded yet when you run the app.
The second screenshot shows how to fix the problem.enter image description hereThis is what I mean that the app should be in the same directory of the main project. In my case my main directory is crmapp.