app/models/seminar_signup.rb

@@ -69,6 +69,7 @@ class SeminarSignup
           sr.save
         end
       end
+      seminar_main.seminar_signups.delete(self) #avoid resave 
       if seminar_main.unassigned_seminar_signup_ids.delete(id)
         seminar_main.save
       end

custom_announcement/app/controllers/custom_announcements_controller.rb

@@ -98,7 +98,10 @@ class CustomAnnouncementsController < ApplicationController
   def self.custom_widget_data
     @custom_configs = CustomBulletinConfig.all.to_a
     ac = ActionController::Base.new
-    ac.render_to_string("custom_announcements/custom_widget_data",:locals=>{:@custom_data_field=>@custom_data_field,:@custom_configs=>@custom_configs,:@field_name=>@field_name})
+    ac.instance_variable_set(:@custom_data_field, @custom_data_field)
+    ac.instance_variable_set(:@custom_configs, @custom_configs)
+    ac.instance_variable_set(:@field_name, @field_name)
+    ac.render_to_string("custom_announcements/custom_widget_data")
   end
   def random_custom_announcement_widget
     pack_data(true)

custom_gallery/app/controllers/custom_galleries_controller.rb

@@ -133,7 +133,10 @@ class CustomGalleriesController < ApplicationController
   def self.custom_widget_data
     @custom_configs = CustomAlbumConfig.all.to_a
     ac = ActionController::Base.new
-    ac.render_to_string("custom_galleries/custom_widget_data",:locals=>{:@custom_data_field=>@custom_data_field,:@custom_configs=>@custom_configs,:@field_name=>@field_name})
+    ac.instance_variable_set(:@custom_data_field, @custom_data_field)
+    ac.instance_variable_set(:@custom_configs, @custom_configs)
+    ac.instance_variable_set(:@field_name, @field_name)
+    ac.render_to_string("custom_galleries/custom_widget_data")
   end
   def custom_album_widget
     @custom_album_setting = CustomAlbumSetting.first