hello admin
I installed the Template for Joomla 1.7 Yt News - Quickstart then I upgraded to version 1.7.1
But I have been an error in the writing, I can not save article.it is an error: Save failed with error những: Invalid parent id.
I tried to fix it through this tutorial: forum.joomla.org/viewtopic.php?p=2463934 but failed
I hope admin can help me!
demo: abonline.info
user and pass: demo

Dear obaviet,
Solution:

- Click 'rebuild' in menu manager
- Click 'rebuild' in categories
- Open Categories (top categories first, then sub-categories) and save them.

hi!
i do'nt save (sub-categories),it is error Save failed with the following error: Invalid parent id.
I did as instructed, but it is not.
you can check demo

Dear obaviet,
I can not. Because the user/account is administrator, not supper administrator. Or you have to consider the right to we edit

ok
i setting Administrator of demo
please help me