Game crash; 2021.1; 1.12.2; inexplicable

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 9/29/25 2:22 PM
Description: Initializing game

java.lang.NoClassDefFoundError: net/mcreator/lotr/block/BlockPipeweedStageOne$BlockCustomFlower
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
    at java.lang.Class.getDeclaredField(Class.java:2068)
    at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:131)
    at net.minecraftforge.registries.ObjectHolderRegistry.findObjectHolders(ObjectHolderRegistry.java:80)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:626)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.mcreator.lotr.block.BlockPipeweedStageOne$BlockCustomFlower
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 16 more
Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 18 more


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

-- Head --
Thread: Client thread
Stacktrace:
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
    at java.lang.Class.getDeclaredField(Class.java:2068)
    at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:131)
    at net.minecraftforge.registries.ObjectHolderRegistry.findObjectHolders(ObjectHolderRegistry.java:80)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:626)
    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: 612217744 bytes (583 MB) / 1073741824 bytes (1024 MB) up to 4731174912 bytes (4512 MB)
    JVM Flags: 7 total; -Xmx4500M -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 14.23.5.2859 9 mods loaded, 9 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                                |
    |:----- |:---------------- |:------------ |:---------------------------------- |:---------------------------------------- |
    | LC    | minecraft        | 1.12.2       | minecraft.jar                      | None                                     |
    | LC    | mcp              | 9.42         | minecraft.jar                      | None                                     |
    | LC    | FML              | 8.0.99.99    | forge-1.12.2-14.23.5.2859.jar      | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LC    | forge            | 14.23.5.2859 | forge-1.12.2-14.23.5.2859.jar      | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LC    | customskinloader | 14.25        | CustomSkinLoader_ForgeV1-14.25.jar | None                                     |
    | LC    | jei              | 4.16.1.1013  | jei_1.12.2-4.16.1.1013.jar         | None                                     |
    | LC    | lotr             | v1.3         | LOTRMod_1.12.2-v1.3.jar            | None                                     |
    | LC    | soundreloader    | 1.1          | soundreloader-1.2-1.12.2.jar       | None                                     |
    | LC    | trop             | v1.1         | TROPReforged_1.12.2-v1.1.jar       | None                                     |

    Loaded coremods (and transformers):
ForgePlugin (CustomSkinLoader_ForgeV1-14.25.jar)
  customskinloader.forge.loader.LaunchWrapper
    GL info: ' Vendor: 'Intel' Version: '4.6.0 - Build 31.0.101.5333' Renderer: 'Intel(R) Iris(R) Xe Graphics'
    Launched Version: LOTR 1.12 (mine, WIP)
    LWJGL: 2.9.4
    OpenGL: Intel(R) Iris(R) Xe Graphics GL version 4.6.0 - Build 31.0.101.5333, 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: 8x 11th Gen Intel(R) Core(TM) i7-11370H @ 3.30GHz