Warning: Failed to find .... returned 127:

I'm new to puppets, Trying to set a new puppet master server 3.7.1. I'm failing to run puppet agent -t Warning: Unable to fetch my node definition, but the agent run will continue: Warning: Failed to find stlvengr.md.com via exec: Execution of '/usr/bin/env PUPPET_DASHBOARD_URL = "http://stlvengr.md.com:3000" /usr/share/puppet-dashboard/bin/external_node stlvengr.md.com' returned 127: Info: Retrieving pluginfacts Error: Could not run Puppet configuration client: execution expired Error: Could not run: can't convert Puppet::Util::Log into Integer