Fixed it!
Now if you look it up
page 6 of the "S" sites you should see an entry that shows the button and links to the simsa_revestimentos group, using ID number 2482.
For some reason, the status flag to 2482 was set to Off. I'm sure that's how the duplicate entry ended up on the list.
I converted your button to a GIF because Mike programmed The List to look for only GIF images. Here's what it looks like:
Thanks for the update, Civana!