1. Nickname setting issue

Nickname should be 1-12 characters.

2. Password changing issue

Please enter the old password and change it accordingly, make sure that the password should be 6-20 characters.

3. Version issue

Please check if it is the latest version.

4. Mandatory version update 

It is necessary to update the App to avoid security risk or other bugs. Otherwise, you can’t use the App.

5. Pasting password but still reminds password error

You may delete the last character as it could be a blank space.