The Community will be undergoing maintenance from Friday February 21 - Friday, February 28 and will be "read only" during this time. To learn more, check out our Announcements blog post.
I'm having this same problem right now. I reached out to Support but their responses are coming in slowly. Does anybody have a solution? I want to do a CSV upload and use the unique record ID to map records, but my record IDs have changed since my ex...