HELP! Unauthorization 401 error - Integrating report into a web app

[Anonymous]

Hello,

I'm following the tutorial from the official page of power BI (https://powerbi.microsoft.com/en-us/documentation/powerbi-developer-integrate-report/), I donwloaded the project sample from github and I changed the ClientID and Client Secret and I did everything according to the manual but when I run the project in visual studio I get this error:

 

I googled this error and tried literarily EVERYTHING but I can't fix it!

PLEASE HELP ME! 

[Eric_Zhang]

@Anonymous

Please try to login Azure portal and apply more necessary permissions as in below snapshots to the registered app. And then following the steps in this thread to revoke and re-grant the permisson.