Just a reminder that providing specifics on, sharing links to, or naming websites where ROMs can be accessed is against the rules. If your post has any of this information it will be removed.
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If you have another page, that's activated by the switch and doesn't have a graphic, the NPC will disappear. It's one of the most frequent uses of self switches.
Just look for that blank grey translucent box in the bottom-left of the event page that is loaded first by your cs. It should be your problem, and easily fixed by assign an image.
Wow thanks. That was it. Sorry but I'll probably be asking a lot of questions like these around here. Where's the area where I can post about what game I'm working on? I want some feedback.