Blue Ribbon Blues - Able to get Blue Ribbon without losing Purple Ribbon on alt

[Garphilius]

Checklist

• [1 ] I have searched for existing issues for issues like this one. The issue has not been posted.
• [1 ] I have provided reproducible steps. (No "as the title says" posts please. Please try to state facts only, and avoid assumptions/opinions.)
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Details

According to Wiki https://ffxiclopedia.fandom.com/wiki/Blue_Ribbon_Blues?oldid=921206, each person on the quest must trade the Purple Ribbon to the Hume Bones in Eldieme, pop the NM, kill it and then check the Hume Bones again for the Blue Ribbon. I just traded the Purple Ribbon on Garphilius, NM pop'd, killed it, Garphilius checked the Hume Bones and got the Blue Ribbon. When I was about to try and pop the NM again on my alt, Grandpuba, the NM would not spawn. So I decided to just check the Hume Bones on Grandpuba, and I was able to get the Blue Ribbon on Grandpuba without losing the Purple Ribbon on Grandpuba.