I recently installed Magento Community 1.7 and a template on my site. The menu appears fine on the site, but in the Admin panel, I don't see any Root Category or Sub Categories. I've tried reindexing the data but still no luck? It looks just like this picture:
1 Answer
Please refer following blog post.
https://samumaretiya.wordpress.com/2016/04/23/category-tree-not-showing-on-admins-product-edit-page/
I hope you will find your solution from there.