Create cluster-manifests command is throwing an error message when trying to create manifests and mirror files.

Always

1. Get the latest agent-installer and build git clone -b agent-installer https://github.com/openshift/installer.git cd installer/ hack/build.sh 

2. Add mirrors and additionalTrustBundle information to the install-config.yaml (PFA sample file)

3. Run ./openshift-install agent create cluster-manifests 

Getting below error message from the installer:

FATAL failed to fetch Agent Manifests: failed to fetch dependency of "Agent Manifests": failed to generate asset "NMState Config": missing configuration or manifest file

Cluster-manifests and mirror files should be generated successfully.