This error is caused by not having a zip code specified for your weather or an empty office zip code field. To correct it, do the following:
Login to your website administration.
Click on the My Profile icon.
Enter a Zip Code into the Weather Zip Code field for the area you would like to display weather for. You can also enter a zip code for your office.
Click "Save Changes".
Your Local Weather page will now display the weather for the Zip Code you have specified.