I am using the Sample database, and have created three new categories in the right pane of the reference folder labeled Boron Parameters. I have dropped several references into each category.
I can't find these categories in the Folder List in the left pane. I quit and restarted the program and the new categories are still there (which is good), and I can still see them in the right panel but not in the Folder List. Also, no matter which of the sample reference folders I access, I still see the three new categories in the right pane.