How to Fix AnyDesk of Display_Server_Not_Supported Error

Cannot Remote Login AnyDesk

# AnyDesk Install Ubuntu 20.10 LTS Desktop Linux
wget -qO - https://keys.anydesk.com/repos/DEB-GPG-KEY | sudo apt-key add -
echo "deb http://deb.anydesk.com/ all main" > /etc/apt/sources.list.d/anydesk-stable.list
apt update -y && apt upgrade -y
apt install anydesk

# Configure login password. This password is “P@ssw0rd”:
echo "P@ssw0rd" | sudo anydesk --set-password

# Configure GDM config. Please unmask:

WaylandEnable=false
AutomaticLoginEnable = true
AutomaticLogin = $USERNAME

nano /etc/gdm3/custom.conf
# GDM configuration storage
#
# See /usr/share/gdm/gdm.schemas for a list of available options.

[daemon]
# Uncomment the line below to force the login screen to use Xorg
WaylandEnable=false

# Enabling automatic login
AutomaticLoginEnable = true
AutomaticLogin = $USERNAME

# Enabling timed login
#  TimedLoginEnable = true
#  TimedLogin = user1
#  TimedLoginDelay = 10

[security]

[xdmcp]

[chooser]

[debug]
# Uncomment the line below to turn on debugging
# More verbose logs
# Additionally lets the X server dump core if it crashes
#Enable=true

Reboot PC and check anydesk