We would like to address the current login issue that some users are experiencing.
If you would like to address a new issue or comment please see the following thread here
1. User Agreement Error
"Game is only available to users who agree to the "Digimon Masters Online User Agreement"
2. Username and Password Issue
"User name and password must be at least two characters long"
1. Log in with your username and not your email address
Fill out the login window using your username only.