When a user/group has multiple roles assigned, and one of the roles has a subtree limitation, section/assign will not consider other (more permissive) roles/policies.

Steps to reproduce:

1. Create role 1: section, assign, NewSection( Standard , Media , Restricted )
2. Create role 2: section, assign, NewSection( Standard , Media , Restricted )
3. Create Folder 'TestFolder' under root, and article 'TestArticle' beneath.
4. Create user 'TestUser' under group Editors
   1. Assign role1 to 'TestUser' with subtree limitation /TestFolder
   2. Assign role2 to 'TestUser' without limitations.
5. Login with 'TestUser'
   1. Edit 'TestArticle', verify that modifying section works as intended.
   2. Edit other content outside of the '/TestFolder' path, verify that setting section does not work.

The following will be displayed in error.log:

[ Sep 12 2014 18:23:49 ] [127.0.0.1] :
You do not have permissions to assign the section <Media> to the object <OtherArticle>.