No, it just means you have an old version of mojoPortal. You should upgrade.
You can do the following if you can't upgrade:
- Administration > Advanced Tools > Design Tools > Skin Management
- Click the "Manage" link next to your skin.
- Type a new skin name (e.g. skinname-v2) in the "Copy As" box and then click the "Copy As" button.
- Administration > Site Settings
- Set your site to use the new skin
Also, you'll want to add color: #fff; to the CSS I gave you before.