Server crashing on startup

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  • Hello, I tried to set up a Pixelmon Server and it keeps crashing on startup. Here is the crash log, I appreciate any help.


    ---- Minecraft Crash Report ----

    // I blame Dinnerbone.


    Time: 3/27/21 3:53 PM

    Description: Exception in server tick loop


    net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Pixelmon (pixelmon)

    Caused by: java.lang.NoSuchMethodError: net.minecraftforge.fml.relauncher.ReflectionHelper.setPrivateValue(Ljava/lang/Class;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;)V

    at com.pixelmonmod.pixelmon.comm.PacketRegistry.replaceNetworkCheck(PacketRegistry.java:364)

    at com.pixelmonmod.pixelmon.Pixelmon.preInit(Pixelmon.java:138)

    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 net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624)

    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.Subscriber.invokeSubscriberMethod(Subscriber.java:91)

    at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)

    at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)

    at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)

    at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)

    at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)

    at com.google.common.eventbus.EventBus.post(EventBus.java:217)

    at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218)

    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196)

    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.Subscriber.invokeSubscriberMethod(Subscriber.java:91)

    at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)

    at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)

    at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)

    at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)

    at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)

    at com.google.common.eventbus.EventBus.post(EventBus.java:217)

    at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135)

    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:627)

    at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:99)

    at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333)

    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)

    at java.lang.Thread.run(Thread.java:748)



    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: Linux (amd64) version 5.5.9-200.fc31.x86_64

    Java Version: 1.8.0_272, Red Hat, Inc.

    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Red Hat, Inc.

    Memory: 376106224 bytes (358 MB) / 1008205824 bytes (961 MB) up to 2863661056 bytes (2731 MB)

    JVM Flags: 2 total; -Xms256M -Xmx3072M

    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

    FML: MCP 9.42 Powered by Forge 14.23.4.2765 5 mods loaded, 5 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 |

    |:----- |:--------- |:------------ |:----------------------------------- |:---------------------------------------- |

    | UCH | minecraft | 1.12.2 | minecraft.jar | None |

    | UCH | mcp | 9.42 | minecraft.jar | None |

    | UCH | FML | 8.0.99.99 | minecraft_server.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |

    | UCH | forge | 14.23.4.2765 | minecraft_server.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |

    | UCEE | pixelmon | 8.1.2 | Pixelmon-1.12.2-8.1.2-universal.jar | None |


    Loaded coremods (and transformers):

    Profiler Position: N/A (disabled)

    Is Modded: Definitely; Server brand changed to 'fml,forge'

    Type: Dedicated Server (map_server.txt)