Game crashed while loading a world
Mod Version: 1.12.2-2.0.0
Dynamic trees version: 0.9.21
HeatAndClimate version: 3.4.3
HeatAndClimateLib version: 3.4.2

crash report("Use Heat and Climate Seasons"=true)
java.lang.AbstractMethodError: com.harleyoconnor.dynamictreeshnc.seasons.SeasonProviderHeatAndClimate.getSeasonValue(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;)Ljava/lang/Float;
at com.ferreusveritas.dynamictrees.seasons.SeasonContext.updateTick(SeasonContext.java:31)
at com.ferreusveritas.dynamictrees.seasons.SeasonManager.updateTick(SeasonManager.java:73)
at com.ferreusveritas.dynamictrees.seasons.SeasonHelper.updateTick(SeasonHelper.java:33)
at com.ferreusveritas.dynamictrees.event.CommonEventHandler.onWorldTick(CommonEventHandler.java:26)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2221_CommonEventHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at com.github.terminatornl.laggoggles.tickcentral.EventBusTransformer.redirectEvent(EventBusTransformer.java:67)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:287)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:752)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:279)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:748)
==========================================================================
crash report("Use Heat and Climate Seasons"=false)
java.lang.NoSuchMethodError: com.ferreusveritas.dynamictrees.seasons.SeasonHelper.getSeasonValue(Lnet/minecraft/world/World;)Ljava/lang/Float;
at com.harleyoconnor.dynamictreeshnc.genfeatures.FeatureGenFruitLeaves.attemptLeafChange(FeatureGenFruitLeaves.java:57)
at com.harleyoconnor.dynamictreeshnc.genfeatures.FeatureGenFruitLeaves.changeLeaves(FeatureGenFruitLeaves.java:102)
at com.harleyoconnor.dynamictreeshnc.genfeatures.FeatureGenFruitLeaves.postGeneration(FeatureGenFruitLeaves.java:49)
at com.ferreusveritas.dynamictrees.trees.Species.postGeneration(Species.java:1388)
at com.ferreusveritas.dynamictrees.worldgen.JoCode.generate(JoCode.java:245)
at com.ferreusveritas.dynamictrees.trees.Species.generate(Species.java:1291)
at com.ferreusveritas.dynamictrees.worldgen.TreeGenerator.makeTree(TreeGenerator.java:161)
at com.ferreusveritas.dynamictrees.worldgen.WorldGeneratorTrees.lambda$generate$1(WorldGeneratorTrees.java:143)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at com.ferreusveritas.dynamictrees.worldgen.WorldGeneratorTrees.generate(WorldGeneratorTrees.java:143)
at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:167)
at micdoodle8.mods.galacticraft.core.TransformerHooks.otherModGenerate(TransformerHooks.java:198)
at net.minecraft.world.chunk.Chunk.populate(Chunk.java:1020)
at net.minecraft.world.chunk.Chunk.populate(Chunk.java:980)
at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:157)
at net.minecraft.server.management.PlayerChunkMapEntry.providePlayerChunk(PlayerChunkMapEntry.java:126)
at net.minecraft.server.management.PlayerChunkMap.tick(PlayerChunkMap.java:226)
at net.minecraft.world.WorldServer.tick(WorldServer.java:227)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:756)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:279)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:748)

Getting same error.

will take a look

Fixed in 2.0.1