Are the two maps connected? Because that's probably since the two maps have different tilesets. You could try and add a gatehouse between the two maps or make the path to the city/route longer so the tiles will change (I hope I explained that alright).I edited two maps for trial and error purposes(I'm new to this) and when I go from one map to the other, some of the tiles turn into seemingly random tiles. How would I fix this? I'm hacking Emerald.