Error message when trying to delete group libraries

I have several old group libraries that I want to delete permanently. I am the owner of these groups, and when I go into the member settings page for the group in my online account, I can see the "Delete Group" button under "Owner Options." However, when I click it (no matter which group I'm trying to delete) my browser just ends up spinning for a full minute before I get an error message stating "Oops! We had a little trouble getting that page for you. Please try again in a minute or two. Our apologies for the inconvenience." I have tried this several times in different browsers, to no avail. Does anyone have suggestions for how to fix this? Thanks!
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