[13:55:46] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.UnsupportedOperationException: null
	at reborncore.common.crafting.RebornRecipe.method_8110(RebornRecipe.java:228) ~[RebornCore-1.15-4.2.5+build.108.jar:?]
	at com.abecderic.underpowered.unobtainium.UnobtainiumRecipe.of(UnobtainiumRecipe.java:102) ~[Underpowered-1.15.2-fabric-1.0.0.jar:?]
	at com.abecderic.underpowered.UnobtainiumRegistry.loadRecipes(UnobtainiumRegistry.java:253) ~[Underpowered-1.15.2-fabric-1.0.0.jar:?]
	at com.abecderic.underpowered.UnobtainiumRegistry.doRecipeHandling(UnobtainiumRegistry.java:149) ~[Underpowered-1.15.2-fabric-1.0.0.jar:?]
	at com.abecderic.underpowered.UnobtainiumRegistry.onServerStart(UnobtainiumRegistry.java:48) ~[Underpowered-1.15.2-fabric-1.0.0.jar:?]
	at net.fabricmc.fabric.api.event.server.ServerStartCallback.lambda$null$0(ServerStartCallback.java:28) ~[9f116980-0002-4941-9a61-ae943ff0ba02.jar:?]
	at net.minecraft.server.MinecraftServer.handler$ccg000$afterSetupServer(MinecraftServer.java:5810) ~[intermediary-minecraft-1.15.2-client.jar:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:634) [intermediary-minecraft-1.15.2-client.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]