fix error

app/controllers/admin/property_hires_controller.rb

@@ -128,11 +128,7 @@ class Admin::PropertyHiresController < OrbitAdminController
   end
 
   def settings
-    if PropertyHireSetting.count == 0 
-      @settings = PropertyHireSetting.create
-    else
-      @settings = PropertyHireSetting.first
-    end
+    @settings = PropertyHireSetting.first
     if request.request_method == "PATCH"
       @settings.update_attributes(settings_params.except("property_day_settings"))
       @settings.save

lib/property_hire/engine.rb

@@ -11,6 +11,13 @@ module PropertyHire
         authorizable
         frontend_enabled
         data_count 1..30
+        require File.expand_path('../../../app/models/property_hire_setting', __FILE__)
+        if defined?(PropertyHireSetting)
+          if PropertyHireSetting.count == 0 
+            PropertyHireSetting.create
+          end
+        end
+
         if File.basename($0) != 'rake'
           begin
             avoid_page_cache HireEmailSet