Rails - Dec 2005 - acts_as_tree and acts_as_list trouble

I am having trouble with acts_as_tree and acts_as_list?

I have a table, pages = :id,:parent_id,:position,:title,:name.

In my model I have
acts_as_tree :order => "position"
acts_as_list :scope => :parent_id

When I add/remove rows, the position column updates perfect.

But when I try
@pg[@pg.position - 1].move_higher

I get:
NoMethodError in Admin#move_page_lower
You have a nil object when you didn''t expect it!
The error occured while evaluating nil.move_higher"

and with:
@pg.pages[@pg.position - 1].move_higher

I get:
undefined method `pages'' for #<Page:0x3761718>

How do I do a move_higher with acts_as_tree AND acts_as_list???

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bump

-- 
Posted via http://www.ruby-forum.com/.

Scott NJ wrote:
> bump
>   
When posting via ruby-forum, please keep in mind that topics are pulled 
from the mailing list, so all that pure mailing list user see is the 
above "bump" and have no idea what''s "being
bumped". :)

-schmo