fixed

devops-service/db/mongo/models/stack_template/stack_template_base.rb

@@ -1,6 +1,7 @@
 require 'tempfile'
 require 'securerandom'
 require "db/mongo/models/model_with_provider"
+require "db/validators/stack_template/template_content"
 
 module Devops
   module Model

devops-service/db/validators/stack_template/template_content.rb

@@ -7,7 +7,7 @@ module Validators
     end
 
     def message
-      "Invalid groups '#{@invalid_groups.join("', '")}'."
+      "Invalid template '#{@message}'."
     end
 
   end