Trying to import a map but it failed
So I'm trying to make an RPG for a school project with this guide https://gamedevacademy.org/how-to-create-an-rpg-game-in-unity-comprehensive-guide/ but I've become stuck while creating the town scene. They've asked me to use a program called tiled to make the map and tiled2unity to export the map, which I have done, and used them both in order to create a map and export it. However when I opened my project it said that the prefabs for the tile layers hadn't loaded correctly, so I have no actually sprites on my map in my project, only white outlines for the map.
Does anyone have any ideas why this happened. If it helps, I followed a video on how to make a map on tiled which was this: https://www.youtube.com/watch?v=wQmeaDhIzms&t=777s (I started around the 8:00 mark) and I had an error which looked like this in tiled2unity when it exported, but I don't know what it means https://media.discordapp.net/attachments/459451969598128159/479363429237522462/unknown.png If I'm missing any information, let me know.
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