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so I was minding my business trying to load a dnd mod pack I made and I got this error The game crashed whilst initializing game
Error: java.lang.NoSuchFieldError: NOVICE, does anyone know how to fix this?

Start by posting the entire crash report using paste.ubuntu.com.

---- Minecraft Crash Report ----

WARNING: coremods are present:
SSLoadingPlugin (SereneSeasons-1.12.2-1.2.18-universal.jar)
Contact their authors BEFORE contacting forge

// Who set us up the TNT?

Time: 10/6/19 9:48 PM
Description: Initializing game

java.lang.NoSuchFieldError: NOVICE
at mod.azure.rcraft.util.Register.<clinit>(Register.java:144)
at mod.azure.rcraft.proxy.CommonProxy$RegistrationHandler.registerItems(CommonProxy.java:35)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_110_RegistrationHandler_registerItems_Register.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:144)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:850)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:628)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
at mod.azure.rcraft.util.Register.<clinit>(Register.java:144)
at mod.azure.rcraft.proxy.CommonProxy$RegistrationHandler.registerItems(CommonProxy.java:35)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_110_RegistrationHandler_registerItems_Register.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:144)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:850)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:628)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 815590616 bytes (777 MB) / 1476395008 bytes (1408 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2838 42 mods loaded, 42 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

| State | ID | Version | Source | Signature |
|:----- |:------------------------ |:-------------------- |:------------------------------------------- |:---------------------------------------- |
| LCH | minecraft | 1.12.2 | minecraft.jar | None |
| LCH | mcp | 9.42 | minecraft.jar | None |
| LCH | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2838.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH | forge | 14.23.5.2838 | forge-1.12.2-14.23.5.2838.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH | codechickenlib | 3.2.2.353 | CodeChickenLib-1.12.2.jar | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
| LCH | ancientwarfare | 1.12.2-2.7.0.769 | Ancient-Warfare-Mod-1.12.2.jar | None |
| LCH | ancientwarfarestructure | 1.12.2-2.7.0.769 | Ancient-Warfare-Mod-1.12.2.jar | None |
| LCH | ancientwarfarevehicle | 1.12.2-2.7.0.769 | Ancient-Warfare-Mod-1.12.2.jar | None |
| LCH | ancientwarfarenpc | 1.12.2-2.7.0.769 | Ancient-Warfare-Mod-1.12.2.jar | None |
| LCH | ancientwarfareautomation | 1.12.2-2.7.0.769 | Ancient-Warfare-Mod-1.12.2.jar | None |
| LCH | baubles | 1.5.2 | Baubles-Mod-1.12.2.jar | None |
| LCH | micsiege | 1.0.4 | Brutal-Zombie-Siege- Mod-1.12.2.jar | None |
| LCH | damageindicatorsmod | 1.0 | Damage-Indicators-Mod-1.12.2.jar | None |
| LCH | defiledlands | 1.4.2 | defiledlands-1.12.2-1.4.2.jar | None |
| LCH | ebwizardry | 4.1.4 | Wizardry-Mod-1.12.2.jar | None |
| LCH | rcraft | 2.0.5 | dotHack-Weapons-Mod-1.12.2.jar | None |
| LCH | golems | 7.1.5 | Extra-Golems-Mod-1.12.2.jar | None |
| LCH | firstaid | 1.6.7 | First-Aid-Mod-1.12.2.jar | 7904c4e13947c8a616c5f39b26bdeba796500722 |
| LCH | forevernether | 1.0.0 | Forever-Nether-Mod-1.12.2.jar | None |
| LCH | gravestone | 1.3.1 | GraveStone-1.12.2-Graves-1.3.1.jar | None |
| LCH | gravestone-extended | 1.3.5.1 | Gravestone-Extended-Mod-1.12.2.jar | None |
| LCH | hardcorerevival | 1.1.10 | Hardcore-Revival-Mod-1.12.2.jar | None |
| LCH | jjcoa | 1.0.9 | JJ-Coats-of-Arms-Mod-1.12.2.jar | None |
| LCH | jjraces | 1.0.7 | JJ-Races-Mod-1.12.2.jar | None |
| LCH | levelup2 | ${version} | Level+Up!+2-1.1.23-1.12.jar | None |
| LCH | lootbags | 2.5.8.5 | LootBags-1.12.2-2.5.8.5.jar | None |
| LCH | lycanitesmobs | 2.0.0.11 - MC 1.12.2 | lycanitesmobs-1.12.2-2.0.0.11.jar | None |
| LCH | megaloot | 0.2.40 | MegaLoot-Mod-1.12.2.jar | None |
| LCH | extracreatures | 1.0.3b | More-Creatures-Mod-1.12.2.jar | None |
| LCH | movinglightsource | 1.0.15 | Moving-Light-Sources-Mod-1.12.2.jar | None |
| LCH | paragonia | 0.40 | Paragonia-Mod-1.12.2.jar | None |
| LCH | raiders | 3.0.9 | Raiders-Mod-1.12.2.jar | None |
| LCH | randomenchantments | @VERSION@ | Random-Enchants-Mod-1.12.2.jar | None |
| LCH | rezombiesv15ver1122jar | 1.5 | ReZombies-Mod-1.12.2.jar | None |
| LCH | roguelike | 1.8.0 | RoguelikeDungeons-1.12.2-1.8.0.jar | None |
| LCH | ruins | 17.2 | Ruins-1.12.2.jar | None |
| LCH | sereneseasons | 1.2.18 | SereneSeasons-1.12.2-1.2.18-universal.jar | None |
| LCH | spartanshields | 1.5.4 | Spartan-Shields-Mod-1.12.2.jar | None |
| LCH | switchbow | 1.5.7 | switchbow-1.5.7.jar | None |
| LCH | varodd | 5.0 | Various-Oddities-Mod-1.12.2.jar | None |
| LCH | bettercaves | 1.12.2 | YUNGs-Better-Caves-Mod-1.12.2.jar | None |
| LCH | rtg | 6.1.0.0-snapshot.1 | Realistic-Terrain-Generation-Mod-1.12.2.jar | None |

Loaded coremods (and transformers):
SSLoadingPlugin (SereneSeasons-1.12.2-1.2.18-universal.jar)
sereneseasons.asm.transformer.EntityRendererTransformer
sereneseasons.asm.transformer.WorldTransformer
GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 22.20.16.4749' Renderer: 'Intel(R) HD Graphics 520'
Launched Version: 1.12.2-forge1.12.2-14.23.5.2838
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics 520 GL version 4.5.0 - Build 22.20.16.4749, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz

it worked thank you

ok so now when I try to create a world it shows this error

Time: 10/22/19 10:14 PM
Description: Exception in server tick loop

java.lang.NoSuchMethodError: net.minecraft.entity.EntityLiving$SpawnPlacementType.canSpawnAt(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;)Z
at net.minecraft.world.WorldEntitySpawner.func_180267_a(WorldEntitySpawner.java:226)
at net.minecraft.world.WorldEntitySpawner.func_77191_a(WorldEntitySpawner.java:282)
at rtg.world.gen.ChunkGeneratorRTG.func_185931_b(ChunkGeneratorRTG.java:351)
at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1019)
at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:999)
at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:157)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:344)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:173)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:196)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
at java.lang.Thread.run(Thread.java:745)

Post the entire crash report using paste.ubuntu.com to prevent huge text walls.