---- Minecraft Crash Report ----
// Sorry :(

Time: 28.02.20 13:50
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/world/biome/BiomeGenBase
	at net.minecraftforge.common.BiomeDictionary.<clinit>(BiomeDictionary.java:113)
	at net.minecraftforge.common.ForgeModContainer.postInit(ForgeModContainer.java:290)
	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:498)
	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
	at com.google.common.eventbus.EventBus.post(EventBus.java:275)
	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
	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:498)
	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
	at com.google.common.eventbus.EventBus.post(EventBus.java:275)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:742)
	at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:97)
	at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:319)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:210)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.biome.BiomeGenBase
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
	... 29 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.transform(MixinTransformer.java:622)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer$Proxy.transform(MixinTransformer.java:184)
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
	... 31 more
Caused by: java.lang.NullPointerException
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:641)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:247)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:226)
	at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1124)
	at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:247)
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:332)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.apply(MixinTransformer.java:835)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.applyMixins(MixinTransformer.java:805)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.transform(MixinTransformer.java:610)
	... 34 more


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

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Linux (amd64) version 4.15.0
	Java Version: 1.8.0_242, Private Build
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Private Build
	Memory: 405873336 bytes (387 MB) / 545259520 bytes (520 MB) up to 7635730432 bytes (7282 MB)
	JVM Flags: 1 total; -Xmx8G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 4 mods loaded, 4 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJ	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJ	FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10-universal.jar)
	UCHI	Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10-universal.jar)
	UCHI	sereneseasons{1.2.18} [Serene Seasons] (SereneSeasons-1.7.10-1.2.18.jar)
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)