Which server gamebuild are you using?
Your errors shows that you have a problem with native GetInteriorAtCoords. Please check that you proceed valid params.
how can i do that? in bob74_ipl/lib/observer/interiorIdObserver?
Send a example how you use the native
can you tell me more about what you need? i dont know what you mean with native i use!
Example: Go to bob74_ipl and send me the source where the native is used (Search the native in your IDE)