Tropicraft not working on particular world

So I was going to the tropics in my survival world and it totally crashed. I do not know what's going on as this worked in other worlds but not my survival world. I've tested other survival worlds and no problems. what is going on??? here is the crash report:

---- Minecraft Crash Report ----

WARNING: coremods are present:
  llibrary (llibrary-core-1.0.11-1.12.2.jar)
  PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
Contact their authors BEFORE contacting forge

// Don't do that.

Time: 12/21/20 11:15 PM
Description: Exception in server tick loop

java.lang.ClassCastException: erebus.world.biomes.BiomeFungalForest cannot be cast to net.tropicraft.core.common.biome.BiomeTropicraft
    at net.tropicraft.core.common.dimension.ChunkProviderTropicraft.func_185931_b(ChunkProviderTropicraft.java:80)
    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.minecraftforge.common.chunkio.ChunkIOProvider.syncCallback(ChunkIOProvider.java:110)
    at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:150)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:728)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:185)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
    at java.lang.Thread.run(Thread.java:745)

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

-- 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: 1694528672 bytes (1616 MB) / 3623878656 bytes (3456 MB) up to 12884901888 bytes (12288 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx12G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    IntCache: cache: 11, tcache: 44, allocated: 1, tallocated: 50
    FML: MCP 9.42 Powered by Forge 14.23.5.2854 23 mods loaded, 23 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                                |
    |:------ |:------------------- |:-------------- |:--------------------------------------------- |:---------------------------------------- |
    | LCHIJA | minecraft           | 1.12.2         | minecraft.jar                                 | None                                     |
    | LCHIJA | mcp                 | 9.42           | minecraft.jar                                 | None                                     |
    | LCHIJA | FML                 | 8.0.99.99      | forge-1.12.2-14.23.5.2854.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | forge               | 14.23.5.2854   | forge-1.12.2-14.23.5.2854.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | bspkrscore          | 8.0.0          | [1.12.2]bspkrscore-universal-8.0.1.jar        | None                                     |
    | LCHIJA | damageindicatorsmod | 1.0            | [1.12.2]DamageIndicatorsMod-3.5.1.jar         | None                                     |
    | LCHIJA | treecapitator       | 1.43.0         | [1.12]TreeCapitator-client-1.43.0.jar         | None                                     |
    | LCHIJA | orbis-lib           | 0.2.0          | orbis-lib-1.12.2-0.2.0+build411.jar           | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
    | LCHIJA | aether              | 0.3.0          | aether_ii-1.12.2-0.3.0+build411-universal.jar | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
    | LCHIJA | bookworm            | 1.12.2-2.5.2.1 | bookworm-1.12.2-2.5.2.1.jar                   | None                                     |
    | LCHIJA | cfm                 | 6.3.0          | cfm-6.3.0-mc1.12.2.jar                        | None                                     |
    | LCHIJA | erebus              | 1.0.31         | Erebus-1.0.31.jar                             | None                                     |
    | LCHIJA | waila               | 1.8.26         | Hwyla-1.8.26-B41_1.12.2.jar                   | None                                     |
    | LCHIJA | jei                 | 4.16.1.301     | jei_1.12.2-4.16.1.301.jar                     | None                                     |
    | LCHIJA | jaff                | 1.7_for_1.12   | JustAFewFish-1.7_for_1.12.jar                 | None                                     |
    | LCHIJA | libraryex           | 1.2.1          | LibraryEx-1.12.2-1.2.1.jar                    | None                                     |
    | LCHIJA | llibrary            | 1.7.20         | llibrary-1.7.20-1.12.2.jar                    | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec |
    | LCHIJA | mowziesmobs         | 1.5.8          | mowziesmobs-1.5.8.jar                         | None                                     |
    | LCHIJA | netherex            | 2.2.2          | NetherEx-1.12.2-2.2.2.jar                     | None                                     |
    | LCHIJA | tropicraft          | 7.1.9.115      | tropicraft-MC1.12.2-7.1.9.115.jar             | None                                     |
    | LCHIJA | twilightforest      | 3.11.1021      | twilightforest-1.12.2-3.11.1021-universal.jar | None                                     |
    | LCHIJA | zawa                | 1.12.2-2.1.0   | zawa-1.12.2-2.1.0.jar                         | 3ee471ded1bba54aa82f4f5ca5ca82dd67b8ef42 |
    | LCHIJA | phosphor-lighting   | 1.12.2-0.2.6   | phosphor-1.12.2-0.2.6+build50.jar             | f0387d288626cc2d937daa504e74af570c52a2f1 |

    Loaded coremods (and transformers): 
llibrary (llibrary-core-1.0.11-1.12.2.jar)
  net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer
  net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher
PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
  
    GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    Profiler Position: N/A (disabled)
    Player Count: 1 / 8; [EntityPlayerMP['dinocerous'/65564, l='Modded Survival', x=-166.00, y=64.00, z=33.00]]
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'fml,forge'