[07:40:10] [Client thread/WARN]: Skipping bad option: lastServer:
[07:40:10] [Client thread/INFO]: LWJGL Version: 3.1.2 build 29
[07:40:11] [Client thread/WARN]: Couldn't get pack info for: tu: 'pack.mcmeta' in ResourcePack '/Users/brian/Library/Application Support/minecraft/resourcepacks/bartlecraft-1-12-2-1511028184.zip'
[07:40:11] [Client thread/WARN]: Removed resource pack Conquest+Reforged from options because it is no longer compatible
[07:40:11] [Client thread/WARN]: Couldn't get pack info for: tu: 'pack.mcmeta' in ResourcePack '/Users/brian/Library/Application Support/minecraft/resourcepacks/bartlecraft-1-12-2-1511028184.zip'
[07:40:11] [Client thread/INFO]: Reloading ResourceManager: Default
[07:40:23] [Client thread/WARN]: Missing sound for event: minecraft:entity.husk.converted_to_zombie
[07:40:23] [Sound Library Loader/INFO]: Starting up SoundSystem...
[07:40:23] [Thread-2/INFO]: Initializing No Sound
[07:40:23] [Thread-2/INFO]: (Silent Mode)
[07:40:23] [Thread-2/INFO]: OpenAL initialized.
[07:40:23] [Sound Library Loader/INFO]: Preloading sound minecraft:sounds/ambient/underwater/underwater_ambience.ogg
[07:40:23] [Sound Library Loader/INFO]: Sound engine started
[07:40:25] [Client thread/INFO]: Created: 1024x512 textures-atlas
[07:40:28] [Client thread/ERROR]: Realms module missing
[07:41:45] [Client thread/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[07:41:45] [Client thread/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[07:41:45] [Client thread/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[07:41:45] [Client thread/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[07:41:45] [Client thread/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[07:41:45] [Client thread/INFO]: Loaded 0 recipes
[07:41:45] [Client thread/INFO]: Loaded 0 advancements
[07:41:45] [Server thread/INFO]: Starting integrated minecraft server version 18w20c
[07:41:45] [Server thread/INFO]: Generating keypair
[07:41:45] [Server thread/INFO]: Reloading ResourceManager: Default
[07:41:45] [Server thread/INFO]: Loaded 523 recipes
[07:41:46] [Server thread/INFO]: Loaded 570 advancements
[07:41:46] [Server thread/INFO]: Preparing start region for level 0
[07:41:46] [Server thread/INFO]: Preparing spawn area: 4%
[07:41:47] [Server thread/INFO]: Preparing spawn area: 8%
[07:41:47] [Server thread/INFO]: Preparing spawn area: 12%
[07:41:47] [Server thread/INFO]: Preparing spawn area: 16%
[07:41:47] [Server thread/INFO]: Preparing spawn area: 20%
[07:41:47] [Server thread/INFO]: Preparing spawn area: 24%
[07:41:48] [Server thread/INFO]: Preparing spawn area: 28%
[07:41:48] [Server thread/INFO]: Preparing spawn area: 32%
[07:41:48] [Server thread/INFO]: Preparing spawn area: 36%
[07:41:48] [Server thread/INFO]: Preparing spawn area: 40%
[07:41:48] [Server thread/WARN]: Keeping entity minecraft:rabbit that already exists with UUID 276c6675-7341-4de3-9527-a04db8c8e620
[07:41:49] [Server thread/INFO]: Preparing spawn area: 44%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 48%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 52%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 56%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 60%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 64%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 68%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 72%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 76%
[07:41:49] [Server thread/INFO]: Preparing spawn area: 80%
[07:41:50] [Server thread/INFO]: Preparing spawn area: 84%
[07:41:51] [Server thread/INFO]: Preparing spawn area: 88%
[07:41:51] [Server thread/INFO]: Preparing spawn area: 92%
[07:41:51] [Server thread/INFO]: Preparing spawn area: 96%
[07:41:51] [Server thread/INFO]: Preparing spawn area: 100%
[07:41:51] [Server thread/INFO]: Time elapsed: 5669 ms
[07:41:52] [Server thread/INFO]: Changing view distance to 8, from 10
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:kelp_top is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:cod_mob is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:salmon_mob is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:sea_grass is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:kelp_top is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:sea_grass is
[07:42:02] [Server thread/WARN]: Invalid statistic in /Users/brian/Library/Application Support/minecraft/saves/Demo World 2/stats/2386763a-0218-4594-a658-05057437b9b9.json: Don't know what minecraft:kelp_top is
[07:42:03] [Server thread/INFO]: tateconcepts[local:E:5c4b002b] logged in with entity id 328 at (-194.8401507963786, 67.0, 142.28309991402358)
[07:42:03] [Server thread/INFO]: tateconcepts joined the game
[07:42:04] [Server thread/INFO]: Saving and pausing game...
[07:42:04] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/overworld
[07:42:04] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_nether
[07:42:04] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_end
[07:42:04] [Server thread/ERROR]: Failed to save chunk
java.lang.NullPointerException: null
	at bzj.a(SourceFile:115) ~[18w20c.jar:?]
	at bqd.a(SourceFile:634) ~[18w20c.jar:?]
	at bqd.a(SourceFile:430) ~[18w20c.jar:?]
	at bqd.a(SourceFile:191) [18w20c.jar:?]
	at sj.b(SourceFile:226) [18w20c.jar:?]
	at sj.d(SourceFile:288) [18w20c.jar:?]
	at sk.i_(SourceFile:203) [18w20c.jar:?]
	at net.minecraft.server.MinecraftServer.w(SourceFile:694) [18w20c.jar:?]
	at net.minecraft.server.MinecraftServer.v(SourceFile:627) [18w20c.jar:?]
	at dhr.v(SourceFile:156) [18w20c.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:532) [18w20c.jar:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_74]
[07:42:05] [Client thread/INFO]: Loaded 365 advancements
[07:45:19] [Client thread/INFO]: [CHAT] Saved screenshot as 2018-05-20_07.45.18.png
[07:45:38] [Client thread/INFO]: [CHAT] Saved screenshot as 2018-05-20_07.45.37.png
[07:45:42] [Client thread/INFO]: [CHAT] Saved screenshot as 2018-05-20_07.45.42.png
[07:46:43] [Client thread/INFO]: [CHAT] Saved screenshot as 2018-05-20_07.46.42.png
[07:46:47] [Server thread/INFO]: Saving and pausing game...
[07:46:47] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/overworld
[07:46:47] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_nether
[07:46:47] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_end
[07:46:50] [Server thread/INFO]: Saving and pausing game...
[07:46:50] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/overworld
[07:46:51] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_nether
[07:46:51] [Server thread/INFO]: Saving chunks for level 'Demo World 2'/the_end