Install Disable Password Authentication ERROR

Please fill in any relevant information that applies to you:

• CentOS Version: CentOS 7 64bit
• Centmin Mod Version Installed: 123.09beta01
• Nginx Version Installed: i.e. 1.11.10
• PHP Version Installed: 7.1.15
• MariaDB MySQL Version Installed: i.e. 10.0.21 or 10.1.21
• When was last time updated Centmin Mod code base ? : i.e. run centmin.sh menu option 23 submenu option 2

I tried to ssh but I got this error since I run the command below. Cannot find solution. Almost give up. (see the attached screenshot) Anyone can help? Thank you.

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Code:

nano /etc/ssh/sshd_config
PasswordAuthentication no
service sshd reload