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Have you been to pink bean before, or at least otherwiwe used up a marble? The first quest and subsequent quests are technically different quests, probably only people who've never made a marble before have their quest glitched.

The level 120 cygnus version of the quest seems to be fine though =/

Yes I did use up the marble before on that character. I had the materials and everything in my inventory for a long time, just never decided to get the marble again. When my friend said he kept getting DCed repeatedly, i tried it a few days or a week later (This whole thing was maybe a month ago or longer, i can check date completion in my quest log later) and it worked fine for me.