Description of problem:
When the setup validates a parameter in the answer file in engine-setup
it throws an "error reading parameter" error.
this is very confusing. since reading was successful. validation is the failure.

Version-Release number of selected component (if applicable):


How reproducible:
always

Steps to Reproduce:
1.run the engine setup with the --answer-file parameter and supply a parameter that will fail in validation. for example wrong fqdn

  
Actual results:
"Error reading parameter"

Expected results:
should output "failed validating parameter"