Once you have created the maximum number of Folders authorized for your account, attempting to create a new Folder will produce an error message.
With a Premium account, you can create up to 5 Folders. With a Platinum account, you can create up to 50 Folders.
Please note that Basic users are automatically limited to 1 Folder.
If you have reached your limit and wish to add more Folders to your account, please upgrade.