In case someone may need this, posted again.
Copy-pasted again only
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The Job Change is half way fixed.
you cannot carry any overflow Craft for next conversation.
Pick up exactly the right 5 pieces for forming a gun and keep forming until it successes.
any over carried piece of Craft will stop the NPC to talking to you no matter after forming a gun or trying to form one.
the Job Change is needed to be done by luck.
if you carry any overflow Craft, butterfly out, sell it, redo it again.
