java.lang.NullPointerException

GitHub | AlfieSR | 2 years ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at modtweaker.mods.thaumcraft.research.AddPage.undo()
  2. modtweaker.mods.thaumcraft
    AddPage.undo
    1. modtweaker.mods.thaumcraft.research.AddPage.undo(AddPage.java:113)[AddPage.class:?]
    1 frame
  3. minetweaker.runtime
    MTTweaker.rollback
    1. minetweaker.runtime.MTTweaker.rollback(MTTweaker.java:83)[MTTweaker.class:?]
    1 frame
  4. minetweaker
    MineTweakerImplementationAPI$19.execute
    1. minetweaker.MineTweakerImplementationAPI.reload(MineTweakerImplementationAPI.java:589)[MineTweakerImplementationAPI.class:?]
    2. minetweaker.MineTweakerImplementationAPI$1.execute(MineTweakerImplementationAPI.java:82)[MineTweakerImplementationAPI$1.class:?]
    3. minetweaker.MineTweakerImplementationAPI$19.execute(MineTweakerImplementationAPI.java:610)[MineTweakerImplementationAPI$19.class:?]
    3 frames
  5. minetweaker.mc1710.server
    MCServer$MCCommand.func_71515_b
    1. minetweaker.mc1710.server.MCServer$MCCommand.func_71515_b(MCServer.java:124)[MCServer$MCCommand.class:?]
    1 frame
  6. net.minecraft.command
    CommandHandler.func_71556_a
    1. net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:94)[z.class:?]
    1 frame
  7. Minecraft
    NetworkSystem.func_151269_c
    1. net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:739)[nh.class:?]
    2. net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:718)[nh.class:?]
    3. net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:37)[ir.class:?]
    4. net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:9)[ir.class:?]
    5. net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)[ej.class:?]
    6. net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)[nc.class:?]
    6 frames
  8. MC Server
    MinecraftServer.run
    1. net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659)[MinecraftServer.class:?]
    2. net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)[MinecraftServer.class:?]
    3. net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)[bsx.class:?]
    4. net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)[MinecraftServer.class:?]
    4 frames