How to fix [FAILED] Failed to start Light Display Manager?

Question

Arch Linux

The bottom line is that after installing arch linux decided to roll up the login screen:
pacman -S lightdm (Successful)
After testing
systemctl start lightdm.service (Successful)
Then make it start itself at system
startup systemctl enable lightdm.service
BUT after launch system see this error
How can I fix it ?

Answer 1

do as it says in line 5 above and let us see the result.