Centos 7 Install problem

When I following install does to install LibreNMS on CentOS 7 to config SELinux is have problem.

My following install does link is on the below:

https://docs.librenms.org/Installation/Installation-CentOS-7-Nginx/

When I input ‘restorecon -RFvv /opt/librenms/logs/’, the system show error message:

restorecon: lstat(/opt/librenms/logs) failed: No such file or directory

And I go to ‘/opt/librenms’ to check, is cannot find folder ‘logs’.

How can I do next?

Is ignore error message or other?