Okay so I never bothered to update my map replacement for Oasis Springs. I just followed the tutorial again from the beginning, creating a new file, and it isn't working. I don't know what I did wrong? Here's the file
When you say you "followed the tutorial" what tutorial are you referring to? This one, by menaceman44 ?
I have not done this tutorial myself but I can tell you that your instance numbers should be something other than zeroes. An instance number is an identifier and it should be a unique number. It's how the game knows what is what; kind of like how you have a unique username as a way to identify yourself. An instance number does the same thing. If you're making a default replacement then your item would have the same instance number as whatever you're replacing. If you're making something totally new, you need a totally new instance number. That's what cloning is for, by the way. You get all the resources you need from your clone and you get a new instance number.
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