[Plugin: Simple Tags] Can’t add new tags.

We have been using the “Simple Tags” plugin with no problems up to now. Now I can’t seem to add new tags. I say “seem” because I can add tags but they aren’t showing up in the “ST: Tag Cloud” widget in my sidebar and they aren’t showing up in “Manage Tags.”

You can see the site here: GSR.

As you will see we use the tags for displaying “Random Authors.” So far there are only about 60 tags in use. If anyone has a suggestion as to how we can solve this problem or a better way to link to the authors, we would really be grateful. Thank you.