I am back to my developing an app I need for my business after a couple of months of some other work, and suddenly, I can no longer login! 
Firs I simplified my login. I don’t need an email because it’s a private app, and users will be me and my staff.
On the workflow I did the following: I skipped the email by searching for the email matching the username:
It used to work but then now it doesn’t. Somehow the Search for User returns nothing…
What happened?