I dont spose there should be a prob, just check your tile passability, maybe u've made it unpassable.
Re-do the other events and all, if it still doesnt work, redo the map lol./
IF IT STILL DOESNT im sorry i cant help./
BUt there's nothing exactly wrong with it..
exept the door is in a akward place lol.
@RavenShade- If you dont use the program, there's no point telling that you dont, that may just discourage the guy even more.