Android “Screen Overlay Detected” message if user is trying to grant a permission when a notification is showing

Question

I have Android Marshmallow on a Nexus 6. I am trying to fix the following problem:

If a user is trying to grant permission while a notification is showing, a \"Scree

Answer 1

Got insights from multiple answers here and other forums .

Consolidating how I got rid of the issue :

1. Go to Settings > Apps > (your app which is getting issue)
2. Press on Power button till window for Power off , reboot , airplane mode comes up
3. Hold on Power off option
4. Select reboot in Safe mode
5. Go to settings > apps > (your app which is getting issue)
6. Select whichever permissions you want
7. After Android M update , issues can come up in apps like Messenger , Whatsapp , Prisma etc.

Let me know if any issues .

Note : I am having One plus One mobile.