#557 NoMethodError: undefined method '[]' for nil:NilClass

app/models/dmsf_file.rb

@@ -87,11 +87,11 @@ class DmsfFile < ActiveRecord::Base
   end
 
   def initialize(*args)
+    super
     @project = nil
     if new_record?
       self.watcher_user_ids = []
     end
-    super
   end
 
   def self.storage_path

app/models/dmsf_folder.rb

@@ -122,10 +122,10 @@ class DmsfFolder < ActiveRecord::Base
   end
 
   def initialize(*args)
+    super
     if new_record?
       self.watcher_user_ids = []
     end
-    super
   end
 
   def default_values

lib/redmine_dmsf/patches/project_patch.rb

@@ -30,8 +30,10 @@ module RedmineDmsf
       # Overridden methods
 
       def initialize(attributes=nil, *args)
-        self.watcher_user_ids = []
         super
+        if new_record?
+          self.watcher_user_ids = []
+        end
       end
 
       def copy(project, options={})