Security Advisor ext. LetsEncrypt

Hello,

I have the Security Advisor extension installed (along with the independent LetsEncrypt extension for normal webspace domains), in the System area of the security advisor it asks to install a LetsEncrypt certificate for the server hostname that Plesk is running on. When running the installation for the SSL it gives the following error (also note my sub-domain DNS is updated):



Any suggestions? Running LetsEncrypt with the LetsEncrypt...

Security Advisor ext. LetsEncrypt