Unable to add new users

Hi, I am unable to add new users, when I try to do it I recieive this error “Unable to complete operation. Backend application is not properly configured. Contact the application developer and report a problem with Email Configuration” .

Reading some other thread it should be caused from wrong email configuration, and in fact the email is not properly configured. But I do not understand how this could have happened, sicne it was properly configured for a long time. From one day to another, it stopped working


Do you have custom email configuration settings in your app?


Yes, I had it, but it seem that the configuration has been resetted for some reason

What is your app id?