{{{SPOILERS BELOW!!}}}}}
{{{NO REALLY STOP READING. YOU'LL BE SORRY!!!!!!!!}}}}}}
{{{{LAST WARNING!!!!!}}}}}}
{{{I TRIED TO WARN YOU BUT NOOOO. YOU JUST HAAAD TO KEEP READING DIDN"T YOU}}}}
I think I found a significant bug in the JDO quest from the bulletin board. I accepted the quest, and when I first talked to JDO it seemed like maybe he thought I had already completed stage 1 of his request. Also, the quest text still appeared on the bulletin board. I then completed the rest of the quest (got the four elemental keys) and JDO's store reopened. But then I re-read the bulletin board again (JDO quest was still there) and accepted it again. Now JDO's store is unavailable (he says 'have you found any information yet?'). I expect he's waiting for me to complete some stage in the quest that I've already done.
Waaaahhhhh!!!!!! I just 'pawned' all my stuff so I could buy his Gold Key in preparation for another 'world-tour' too. If I sent you my save, could you load it in SoM's debugger and set the Leafs/counters to where they should be? I don't know how to re-access his store otherwise.
PS EDIT: I hacked my save and got JDO's store to reopen, but the quest board still shows the 'JDO needs help' message even though that quest is complete. I don't know if it will reset correctly if there are supposed to be future quests. 11 play hours in!