I am trying to setup a server and i am coming across this error 

[09Mar2023 12:02:47.398] [main/WARN] [net.minecraft.server.Main/]: Failed to load datapacks, can't proceed with server load. You can either fix your datapacks or reset to vanilla with --safeMode
java.util.concurrent.ExecutionException: java.lang.RuntimeException: Attempted to load class net/minecraft/client/multiplayer/ClientLevel for invalid dist DEDICATED_SERVER

log:

[09Mar2023 12:02:47.398] [main/WARN] [net.minecraft.server.Main/]: Failed to load datapacks, can't proceed with server load. You can either fix your datapacks or reset to vanilla with --safeMode
java.util.concurrent.ExecutionException: java.lang.RuntimeException: Attempted to load class net/minecraft/client/multiplayer/ClientLevel for invalid dist DEDICATED_SERVER
    at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396) ~[?:?]
    at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2073) ~[?:?]
    at net.minecraft.server.Main.main(Main.java:182) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[?:?]
    at java.lang.reflect.Method.invoke(Method.java:578) ~[?:?]
    at net.minecraftforge.fml.loading.targets.CommonServerLaunchHandler.lambda$launchService$0(CommonServerLaunchHandler.java:29) ~[fmlloader-1.19.2-43.2.6.jar%2367!/:?]
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?]
Caused by: java.lang.RuntimeException: Attempted to load class net/minecraft/client/multiplayer/ClientLevel for invalid dist DEDICATED_SERVER
    at net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:57) ~[fmlloader-1.19.2-43.2.6.jar%2367!/:1.0]
    at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) ~[modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) ~[modlauncher-10.0.8.jar%2354!/:?]
    at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113) ~[securejarhandler-2.1.4.jar:?]
    at cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219) ~[securejarhandler-2.1.4.jar:?]
    at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229) ~[securejarhandler-2.1.4.jar:?]
    at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219) ~[securejarhandler-2.1.4.jar:?]
    at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135) ~[securejarhandler-2.1.4.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[?:?]
    at me.jellysquid.mods.sodium.client.SodiumClientMod.registerReloadListener(SodiumClientMod.java:48) ~[rubidium-0.6.2.jar%23399!/:?]
    at net.minecraftforge.eventbus.EventBus.doCastFilter(EventBus.java:260) ~[eventbus-6.0.3.jar%2351!/:?]
    at net.minecraftforge.eventbus.EventBus.lambda$addListener$11(EventBus.java:252) ~[eventbus-6.0.3.jar%2351!/:?]
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.3.jar%2351!/:?]
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.3.jar%2351!/:?]
    at net.minecraftforge.event.ForgeEventFactory.onResourceReload(ForgeEventFactory.java:667) ~[forge-1.19.2-43.2.6-universal.jar%23444!/:?]
    at net.minecraft.server.ReloadableServerResources.m_206861_(ReloadableServerResources.java:88) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.server.WorldLoader.m_214362_(WorldLoader.java:28) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.server.WorldStem.m_214415_(WorldStem.java:18) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.server.Main.lambda$main$3(Main.java:158) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.Util.m_214652_(Util.java:775) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.Util.m_214679_(Util.java:770) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    at net.minecraft.server.Main.main(Main.java:157) ~[server-1.19.2-20220805.130853-srg.jar%23439!/:?]
    ... 11 more

 

Edited March 9, 20232 yr by destroyer44644

Your trying to use client side mods on the server, so you should remove it