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  1. Minecraft: Java Edition
  2. MC-123014

Invalid function tags prevent world from loading


    • Confirmed

      If a function tag is created that refers to a function that does not exist, the function will refuse to load. According to the logs, the game crashes, however the game just gets stuck on the "load world" screen and is uncloseable except from the task manager.

      From the logfile:

      00:46:00	launcher	Preparing to launch minecraft client for 17w49b
      00:46:00	launcher	Checking installations.
      00:46:00	launcher	Minecraft client 17w49b is ready to start.
      00:46:00	launcher	Starting!
      00:46:01	launcher	Using default game log configuration client-1.12.xml (outputs XML)
      00:46:02	bmz	Setting user: PhilosophioStone
      00:46:03	bnc	Skipping bad option: lastServer:
      00:46:03	bmz	LWJGL Version: 3.1.2 build 29
      00:46:04	sj	Reloading ResourceManager: Default
      00:46:05	clr	Missing sound for event: minecraft:block.pumpkin.carve
      00:46:05	clr	Starting up SoundSystem...
      00:46:05	clr	Initializing No Sound
      00:46:05	clr	(Silent Mode)
      00:46:05	clr	OpenAL initialized.
      00:46:06	clr	Sound engine started
      00:46:08	ciq	Created: 1024x512 textures-atlas
      00:46:10	com.mojang.text2speech.NarratorWindows	Narrator library for x64 successfully loaded
      00:46:10	net.minecraft.realms.RealmsBridge	Realms module missing
      00:46:54	aoq	Loaded 0 recipes
      00:46:54	clh	Starting integrated minecraft server version 17w49b
      00:46:54	clh	Generating keypair
      00:46:54	sj	Reloading ResourceManager: Default, turing, turing_functions
      00:46:55	aoq	Loaded 466 recipes
      00:46:55	k	Loaded 509 advancements
      00:46:56	nk	Loaded 14 custom command functions
      00:46:56	net.minecraft.server.MinecraftServer	Encountered an unexpected exception
      com.google.gson.JsonParseException: Unknown value 'tmf:'
      	at ua$a.a(SourceFile:83)
      	at ub.a(SourceFile:97)
      	at nk.a(SourceFile:139)
      	at sj.a(SourceFile:126)
      	at nk.<init>(SourceFile:47)
      	at qs.b(SourceFile:164)
      	at clh.a(SourceFile:96)
      	at clh.d(SourceFile:128)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:467)
      	at java.lang.Thread.run(Thread.java:745)
      00:46:56	net.minecraft.server.MinecraftServer	This crash report has been saved to: C:\Users\elyis\AppData\Roaming\.minecraft\profiles\experimental\crash-reports\crash-2017-12-08_00.46.56-server.txt
      00:46:56	net.minecraft.server.MinecraftServer	Stopping server
      00:46:56	net.minecraft.server.MinecraftServer	Saving players
      00:46:56	net.minecraft.server.MinecraftServer	Saving worlds

            dinnerbone [Mojang] Nathan Adams
            elyg Ely G
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