When I load minecraft singleplayer it works but when I try to load the server with multicraft, it crashes:

09.02 22:10:22 [Multicraft] Received start command
09.02 22:10:22 [Multicraft] Loading server properties
09.02 22:10:22 [Multicraft] Starting server!
09.02 22:10:22 [Multicraft] Loaded config for "Custom Forge with Java 17 ( Name Forge Installer: custom_forge_installer.jar )"
09.02 22:10:22 [Multicraft] JAR file not found, copying from global JAR directory
09.02 22:10:22 [Multicraft] Failed to copy jarfile from global JAR directory
09.02 22:10:22 [Multicraft] JAR file not found. Go to "Settings"-"Update Minecraft" to download the JAR file.
09.02 22:10:22 [Multicraft] Updating eula.txt file
09.02 22:10:25 [Server] INFO 2023-02-09 22:10:25,425 main WARN Advanced terminal features are not available in this environment
09.02 22:10:25 [Server] main/INFO ModLauncher running: args [--launchTarget, forgeserver, --fml.forgeVersion, 43.2.3, --fml.mcVersion, 1.19.2, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20220805.130853]
09.02 22:10:25 [Server] main/INFO ModLauncher 10.0.8+10.0.8+main.0ef7e830 starting: java version 17 by Oracle Corporation; OS Linux arch amd64 version 4.15.0-192-generic
09.02 22:10:27 [Server] main/INFO SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/custom_forge/libraries/org/spongepowered/mixin/0.8.5/mixin-0.8.5.jar%2363!/ Service=ModLauncher Env=SERVER
09.02 22:10:28 [Server] main/WARN Mod file /custom_forge/libraries/net/minecraftforge/fmlcore/1.19.2-43.2.3/fmlcore-1.19.2-43.2.3.jar is missing mods.toml file
09.02 22:10:28 [Server] main/WARN Mod file /custom_forge/libraries/net/minecraftforge/javafmllanguage/1.19.2-43.2.3/javafmllanguage-1.19.2-43.2.3.jar is missing mods.toml file
09.02 22:10:28 [Server] main/WARN Mod file /custom_forge/libraries/net/minecraftforge/lowcodelanguage/1.19.2-43.2.3/lowcodelanguage-1.19.2-43.2.3.jar is missing mods.toml file
09.02 22:10:28 [Server] main/WARN Mod file /custom_forge/libraries/net/minecraftforge/mclanguage/1.19.2-43.2.3/mclanguage-1.19.2-43.2.3.jar is missing mods.toml file
09.02 22:10:28 [Server] main/INFO Found 14 dependencies adding them to mods collection
09.02 22:10:35 [Server] main/ERROR Mixin config dynamiclightsreforged.mixins.json does not specify "minVersion" property
09.02 22:10:35 [Server] main/INFO Compatibility level set to JAVA_17
09.02 22:10:36 [Server] main/ERROR Mixin config forge-mavapi.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/ERROR Mixin config entity_texture_features-forge.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/ERROR Mixin config entity_texture_features-common.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/ERROR Mixin config forge-mavm.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/ERROR Mixin config rottencreatures-common.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/ERROR Mixin config rottencreatures.mixins.json does not specify "minVersion" property
09.02 22:10:36 [Server] main/INFO Successfully loaded Mixin Connector [com.sonicether.soundphysics.MixinConnector]
09.02 22:10:36 [Server] main/INFO Successfully loaded Mixin Connector [com.aizistral.nochatreports.MixinConnector]
09.02 22:10:36 [Server] main/INFO Launching target 'forgeserver' with arguments []
09.02 22:10:36 [Server] main/INFO Loaded configuration file for Rubidium: 29 options available, 0 override(s) found
09.02 22:10:36 [Server] main/WARN Reference map 'yungsextras.refmap.json' for yungsextras.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:36 [Server] main/WARN Reference map 'yungsextras.refmap.json' for yungsextras_forge.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:37 [Server] main/WARN Option 'mixin.world.block_entity_ticking.world_border' requires 'mixin.util.world_border_listener=true' but found 'false'. Setting 'mixin.world.block_entity_ticking.world_border=false'.
09.02 22:10:37 [Server] main/INFO Loaded configuration file for Canary: 106 options available, 1 override(s) found
09.02 22:10:37 [Server] main/WARN Reference map 'v_slab_compat-common-refmap.json' for v_slab_compat-common.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:37 [Server] main/WARN Reference map 'everycomp-common-refmap.json' for everycomp-common.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:37 [Server] main/WARN Reference map 'everycomp.refmap.json' for everycomp.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:37 [Server] main/WARN Reference map 'rottencreatures-forge-refmap.json' for rottencreatures.mixins.json could not be read. If this is a development environment you can ignore this message
09.02 22:10:37 [Server] Transformer Transforming m_47480_ (Lnet/minecraft/world/level/LevelReader;Lnet/minecraft/core/BlockPos;Z)Z in net/minecraft/world/level/biome/Biome
09.02 22:10:38 [Server] Transformer Patched 1 calls
09.02 22:10:38 [Server] Transformer Transforming m_47519_ (Lnet/minecraft/world/level/LevelReader;Lnet/minecraft/core/BlockPos;)Z in net/minecraft/world/level/biome/Biome
09.02 22:10:38 [Server] Transformer Successfully patched shouldSnow
09.02 22:10:38 [Server] Transformer Transforming m_8714_ (Lnet/minecraft/world/level/chunk/LevelChunk;I)V in net/minecraft/server/level/ServerLevel
09.02 22:10:38 [Server] Transformer Successfully patched tickChunk
09.02 22:10:40 [Server] main/WARN Force-disabling mixin 'world.player_chunk_tick.ChunkMapMixin' as rule 'mixin.world.player_chunk_tick' (added by mods [pluto]) disables it and children
09.02 22:10:40 [Server] main/WARN Error loading class: com/mojang/blaze3d/audio/Channel (java.lang.ClassNotFoundException: com.mojang.blaze3d.audio.Channel)
09.02 22:10:40 [Server] main/WARN @Mixin target com.mojang.blaze3d.audio.Channel was not found assets/sound_physics_remastered/sound_physics_remastered.mixins.json:ChannelAccessor
09.02 22:10:41 [Server] main/INFO Mixing server.MixinDedicatedServer from nochatreports.mixins.json into net.minecraft.server.dedicated.DedicatedServer
09.02 22:10:43 [Server] Transformer Transforming m_8714_ (Lnet/minecraft/world/level/chunk/LevelChunk;I)V in net/minecraft/server/level/ServerLevel
09.02 22:10:43 [Server] Transformer Successfully patched tickChunk
09.02 22:10:43 [Server] main/INFO Mixing server.MixinPlayer from nochatreports.mixins.json into net.minecraft.world.entity.player.Player
09.02 22:10:46 [Server] main/INFO Constructing shapes for nodeWith 2.0, extensionWidth 2.0, nodeHeight 24.0, extensionBottom 0.0, extensionHeight 24.0 took 157ms
09.02 22:10:46 [Server] main/INFO Constructing shapes for nodeWith 2.0, extensionWidth 2.0, nodeHeight 16.0, extensionBottom 0.0, extensionHeight 16.0 took 189ms
09.02 22:10:46 [Server] main/INFO Constructing shapes for nodeWith 2.0, extensionWidth 1.0, nodeHeight 16.0, extensionBottom 6.0, extensionHeight 15.0 took 343ms
09.02 22:10:46 [Server] Transformer Transforming m_8107_ ()V in net/minecraft/world/entity/animal/SnowGolem
09.02 22:10:46 [Server] Transformer Patched 1 calls
09.02 22:10:49 [Server] main/INFO Building unoptimized datafixer
09.02 22:10:51 [Server] main/WARN @ModifyConstant conflict. Skipping repurposed_structures.mixins.json:structures.StructurePoolMixin->@ModifyConstant::repurposedstructures_increaseWeightLimitDev(I)I with priority 1000, already redirected by yungsapi_forge.mixins.json:IncreaseStructureWeightLimitMixinForge->@ModifyConstant::yungsapi_increaseWeightLimit(I)I with priority 1000
09.02 22:10:51 [Server] Transformer Transforming m_47480_ (Lnet/minecraft/world/level/LevelReader;Lnet/minecraft/core/BlockPos;Z)Z in net/minecraft/world/level/biome/Biome
09.02 22:10:51 [Server] Transformer Patched 1 calls
09.02 22:10:51 [Server] Transformer Transforming m_47519_ (Lnet/minecraft/world/level/LevelReader;Lnet/minecraft/core/BlockPos;)Z in net/minecraft/world/level/biome/Biome
09.02 22:10:51 [Server] Transformer Successfully patched shouldSnow
09.02 22:10:52 [Server] main/ERROR Attempted to load class net/minecraft/client/KeyMapping for invalid dist DEDICATED_SERVER
09.02 22:10:52 [Server] main/WARN Error loading class: net/minecraft/client/KeyMapping (java.lang.RuntimeException: Attempted to load class net/minecraft/client/KeyMapping for invalid dist DEDICATED_SERVER)
09.02 22:10:52 [Server] INFO Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:32)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:106)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:77)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23)
09.02 22:10:52 [Server] INFO at [email protected]/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141)
09.02 22:10:52 [Server] INFO Caused by: java.lang.reflect.InvocationTargetException
09.02 22:10:52 [Server] INFO at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
09.02 22:10:52 [Server] INFO at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
09.02 22:10:52 [Server] INFO at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
09.02 22:10:52 [Server] INFO at java.base/java.lang.reflect.Method.invoke(Method.java:568)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.CommonServerLaunchHandler.lambda$launchService$0(CommonServerLaunchHandler.java:29)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30)
09.02 22:10:52 [Server] INFO ... 7 more
09.02 22:10:52 [Server] INFO Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)
09.02 22:10:52 [Server] INFO at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50)
09.02 22:10:52 [Server] INFO at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113)
09.02 22:10:52 [Server] INFO at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219)
09.02 22:10:53 [Multicraft] Server shut down (starting)
09.02 22:10:53 [Multicraft] Not restarting crashed server.
09.02 22:10:53 [Multicraft] Looks like a crash, check the server console. Return value: 1
09.02 22:10:53 [Multicraft] Server stopped

15 hours ago, BesTiaPanDa said:

09.02 22:10:52 [Server] main/WARN Error loading class: net/minecraft/client/KeyMapping (java.lang.RuntimeException: Attempted to load class net/minecraft/client/KeyMapping for invalid dist DEDICATED_SERVER)

Some client side mod is likely on the server since it is attempting to load a client-only class. You should take a look through your mod list and find any that are only client side.