So what do you see in the [Right-Click] context menu?
I see this-
You may have marked multiple folders as a favorites "group" which, due to a poor user-interface design, is hard to delete. See here for how to remove such favorites:
This is a bug that may have been introduced recently. I'm observing the same symptoms on my test catalog. I filed a bug report here:
Please add details of your issue to the bug report and be sure to click Like and Follow at the bottom of the first post. That will make it a little more likely Adobe will prioritize the fix, and you'll be notified when the bug's status changes. Product developers rarely participate in this forum and won't see your feedback.