It works fine on the client side, and using GregTech CE: Unofficial version 1.12.2-2.7.x on the server side also works fine. However, using version 1.12.2-2.8.x has caused crashes on the server for 2.8.0, 2.8.1, and 2.8.2.

---------------------reportFile--------------------------
crash-2023-12-11_20.29.34-server.txt
----------------------report-----------------------------
WARNING: coremods are present:
ForgelinPlugin (Forgelin-1.8.4.jar)
MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
Aqua Acrobatics Transformer (AquaAcrobatics-1.15.3.jar)
Quark Plugin (Quark-r1.6-179.jar)
CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
JechCore (jecharacters-1.12.0-3.7.2.jar)
ShutdownPatcher (mcef-1.12.2-1.11b-coremod.jar)
UniDictCoreMod (UniDict-1.12.2-3.0.10.jar)
CoreMod (MiniEffects-1.12.2-1.1.0.jar)
FcCoreMod (ae2fc-1.12.2-1.0.11.jar)
GTFOEarlyMixinPlugin (gregtechfoodoption-1.10.2.jar)
WarpDriveCore (WarpDrive-1.12.2-1.5.28.jar)
CorePlugin (ForgeEndertech-1.12.2-4.5.6.1-build.0648.jar)
ShutdownPatcher (mcef-1.12.2-1.11-coremod.jar)
TransformerLoader (OpenComputers-MC1.12.2-1.8.3+274990f.jar)
CoreMod (Aroma1997Core-1.12.2-2.0.0.2.jar)
MixinBooter (!mixinbooter-8.8.jar)
GregTechLoadingPlugin (gregtech-1.12.2-2.8.2-beta.jar)
Contact their authors BEFORE contacting forge

(Exception in server tick loop)

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from GregTech Food Option (gregtechfoodoption)
Caused by: java.lang.NoClassDefFoundError: gregtech/client/particle/GTParticle
at gregtechfoodoption.machines.GTFOTileEntities.init(GTFOTileEntities.java:93)
at gregtechfoodoption.GregTechFoodOption.preInit(GregTechFoodOption.java:56)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:632)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:215)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:132)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:644)
at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:102)
at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:331)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:167)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: gregtech.client.particle.GTParticle
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 37 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@4528f2e8 from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:264)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 39 more
Caused by: java.lang.RuntimeException: Attempted to load class gregtech/client/particle/GTParticle for invalid side SERVER
at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:60)
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260)
... 41 more

No Mixin Metadata is found in the Stacktrace.

Sorry, I just saw that this issue has been resolved. #63