This page shows all known NPC Adventures content packs and it's updated every few days. Any content pack that doesn't work? Or do you want add your content pack to this list? Tell us.
When you run into trouble with a specific NPC that is added by another mod or content pack, talk to the author of the bridge content pack first before asking help directly at NPC Adventures. There's a higher probability of the issue being within that content pack before NPC Adventures itself.