Azure Devops keeps asking me to login

This happened since November when my company started to migrate with email adress. 

Whenever I go to Azure devops project, especially Sprint then it keep asking me to log-in. 

I went to settings and I see this error

but when I confirm it - it says this 

I have contacted company support to see if my email adress is working and they it does. 

What I have tried is to remove myself organisation Azure Devops - it doesn't work, still asking me to log-in.

I tried to change to private email adress then back to office-email but no luck.

What shall I do?