Posted October 9, 201212 yr this only happens with mystcraft installed but its is saying it is a forge bug type thing java.lang.NoSuchMethodError: net.minecraftforge.common.DimensionManager.saveDimensionDataMap()Lan; at net.minecraftforge.common.ForgeDummyContainer.getDataForWriting(ForgeDummyContainer.java:66) at cpw.mods.fml.common.FMLCommonHandler.handleWorldDataSave(FMLCommonHandler.java:409) at aeb.a(SaveHandler.java:215) at net.minecraft.client.Minecraft.a(Minecraft.java:1843) at aoo.a(GuiCreateWorld.java:266) at apn.a(SourceFile:64) at aoo.a(GuiCreateWorld.java:405) at apn.d(SourceFile:112) at apn.m(SourceFile:100) at net.minecraft.client.Minecraft.l(Minecraft.java:1495) at net.minecraft.client.Minecraft.J(Minecraft.java:845) at net.minecraft.client.Minecraft.run(Minecraft.java:775) at java.lang.Thread.run(Unknown Source)
October 9, 201212 yr Make sure you are using the version of forge that the mystcraft tells you you should. Its a installation issue, follow the directions better. I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon
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