Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while evaluating a Resource Statement, Evaluation Error: Error while evaluating a Function Call, Failed to parse template varnish/vcl/wikimedia-common.inc.vcl.erb:
  Filepath: /etc/puppet/modules/varnish/templates/vcl/wikimedia-common.inc.vcl.erb
  Line: 138
  Detail: undefined method `gsub' for :undef:Symbol
 at /etc/puppet/modules/varnish/manifests/wikimedia_vcl.pp:45:24 at /etc/puppet/modules/varnish/manifests/instance.pp:74 on node cp1076.eqiad.wmnet
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run