The folder hierarchy does not allow this asset to be published

This error message indicates that one or more of the parent folders of the asset you're attempting to publish is not enabled for publishing. Assets contained in folders not enabled for publishing are not publishable, even if they're set to publish at an individual level.

To enable a folder for publishing:

1. Edit the folder.
2. Select the Properties tab.
3. Enable the Include when publishing option.
4. Submit your changes.