code changes

app/models/user.rb

@@ -114,13 +114,13 @@ def validate
 
   def check_reference
     present_ref = []
-    %w(miq_requests vms miq_widgets miq_templates).each do |model|
-      present_ref << model.classify unless public_send(model).first.nil?
+    %w(miq_requests vms miq_widgets miq_templates).each do |association|
+      present_ref << association.classify unless public_send(association).first.nil?
     end
 
-    if present_ref.size.positive?
-      errors.add(:users, "reference to this user with id [#{id}] present in other models: #{present_ref.join(" ")}")
-      throw throw :abort
+    unless present_ref.empty?
+      errors.add(:base, "user with id [#{id}] has references to other models: #{present_ref.join(" ")}")
+      throw :abort
     end
   end