Update journal_papers_controller.rb

app/controllers/admin/journal_papers_controller.rb

@@ -54,7 +54,11 @@ class Admin::JournalPapersController < OrbitMemberController
             @journals[key].delete key1
           end
         end
+        if @journals[key].length==0
+            @journals.delete key
+        end
       end
+      
     end
   end
   def index