I downloaded this tag today: https://www.digitalscrapbook.com/marisa-lerin/designs/paris-banner-tag-02-asset-embellishment-polka-dots-navy-pink. I thought I had downloaded the CU version. Then I was looking at its page again later and saw that it said I had DL'd it for PU. So I clicked to upgrade, but the download was again the PU version and the page still says I downloaded it for personal use, so I'm pretty sure I had gotten the CU version in the first place. I only wasted a single DC so I'm not bothered about that, but I did want to let you know about the error. Hmm... Actually, looking at the various things I DL'd today (all tags, many templates), many of the files say PU but I am quite sure I picked the CU option for all of them. Let me know if you want the file names.
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Thanks for reporting this! I think the issue should be fixed now. When the site gave you the PU items it should have only charged you for the PU items, so you can get the CU license by going to those items and paying the difference to upgrade to CU. As a thank you for reporting this, though, you're welcome to just rename those files to "cu" and use them for commercial use.