The workaround is to switch back to Utopia fonts in /etc/fonts/local.conf file.
1- Create the "local.conf" file in /etc/fonts directory.
2- Copy the text contained in the link below, and paste it into the "local.conf" file created:
3- Save and exit and re-run the installer. This should fix the "Installer User Interface Mode Not Supported" error.
If the problem still persists, please open a support case.
If still have the same issue, please use this steps and restart the sshd