[name here]

the server is now working but when I join the server it fails and this message comes up in the server log (my Minecraft name) lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.io.IOException: Can't serialize unregistered packet

I deleted and redownloaded all of the mods and the server still crashed this is the log [18:32:42] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLServerTweaker [18:32:42] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2838 for Minecraft 1.12.2 loading [18:32:42] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_151, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_151 [18:32:42] [main/INFO] [FML]: Searching C:\Users\Thomas\Desktop\minecraft server\.\mods for mods [18:32:42] [main/INFO] [FML]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from MalisisCore-1.12.2.jar [18:32:42] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Loading tweak class name org.spongepowered.asm.launch.MixinTweaker [18:32:42] [main/INFO] [mixin]: SpongePowered MIXIN Subsystem Version=0.7.11 Source=file:/C:/Users/Thomas/Desktop/minecraft%20server/./mods/MalisisCore-1.12.2.jar Service=LaunchWrapper Env=SERVER [18:32:42] [main/WARN] [FML]: The coremod net.malisis.core.asm.MalisisCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft [18:32:42] [main/WARN] [FML]: The coremod MalisisCorePlugin (net.malisis.core.asm.MalisisCorePlugin) is not signed! [18:32:42] [main/INFO] [mixin]: Compatibility level set to JAVA_8 [18:32:42] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker [18:32:42] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper [18:32:44] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557 [18:32:44] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper [18:32:44] [main/INFO] [LaunchWrapper]: Calling tweak class org.spongepowered.asm.launch.MixinTweaker [18:32:44] [main/INFO] [mixin]: Initialised Mixin FML Remapper Adapter with net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper@3249a1ce [18:32:44] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker [18:32:45] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker [18:32:45] [main/INFO] [LaunchWrapper]: Loading tweak class name org.spongepowered.asm.mixin.EnvironmentStateTweaker [18:32:45] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker [18:32:45] [main/INFO] [LaunchWrapper]: Calling tweak class org.spongepowered.asm.mixin.EnvironmentStateTweaker [18:32:46] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.server.MinecraftServer} [18:32:50] [Server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Starting minecraft server version 1.12.2 [18:32:50] [Server console handler/ERROR] [net.minecraft.server.dedicated.DedicatedServer]: Exception handling console input java.io.IOException: The handle is invalid at java.io.FileInputStream.readBytes(Native Method) ~[?:1.8.0_151] at java.io.FileInputStream.read(Unknown Source) ~[?:1.8.0_151] at java.io.BufferedInputStream.read1(Unknown Source) ~[?:1.8.0_151] at java.io.BufferedInputStream.read(Unknown Source) ~[?:1.8.0_151] at sun.nio.cs.StreamDecoder.readBytes(Unknown Source) ~[?:1.8.0_151] at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.8.0_151] at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.8.0_151] at java.io.InputStreamReader.read(Unknown Source) ~[?:1.8.0_151] at java.io.BufferedReader.fill(Unknown Source) ~[?:1.8.0_151] at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.8.0_151] at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.8.0_151] at net.minecraft.server.dedicated.DedicatedServer$2.run(DedicatedServer.java:105) [nz$2.class:?] [18:32:50] [Server thread/INFO] [FML]: MinecraftForge v14.23.5.2838 Initialized [18:32:50] [Server thread/INFO] [FML]: Starts to replace vanilla recipe ingredients with ore ingredients. [18:32:50] [Server thread/INFO] [FML]: Invalid recipe found with multiple oredict ingredients in the same ingredient... [18:32:50] [Server thread/INFO] [FML]: Replaced 1227 ore ingredients [18:32:52] [Server thread/INFO] [FML]: Searching C:\Users\Thomas\Desktop\minecraft server\.\mods for mods [18:32:54] [Server thread/INFO] [FML]: Forge Mod Loader has identified 17 mods to load [18:32:54] [Server thread/WARN] [FML]: Missing English translation for FML: assets/fml/lang/en_us.lang [18:32:55] [Server thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, securitycraft, bibliocraft, chiselsandbits, props, flansmodapocalypse, flansmod, grimoireofgaia, heroicarmory, malisiscore, malisisdoors, desertcraft, scp, lteleporters] at CLIENT [18:32:55] [Server thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, securitycraft, bibliocraft, chiselsandbits, props, flansmodapocalypse, flansmod, grimoireofgaia, heroicarmory, malisiscore, malisisdoors, desertcraft, scp, lteleporters] at SERVER [18:32:56] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception java.lang.NoClassDefFoundError: com/mia/craftstudio/IPackReaderCallback at java.lang.Class.forName0(Native Method) ~[?:1.8.0_151] at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_151] at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:539) ~[forge-1.12.2-14.23.5.2838-universal.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_151] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?] at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) ~[forge-1.12.2-14.23.5.2838-universal.jar:?] at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) ~[forge-1.12.2-14.23.5.2838-universal.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_151] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?] at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?] at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) ~[LoadController.class:?] at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:593) ~[Loader.class:?] at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) ~[FMLServerHandler.class:?] at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333) ~[FMLCommonHandler.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125) ~[nz.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_151] Caused by: java.lang.ClassNotFoundException: com.mia.craftstudio.IPackReaderCallback at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_151] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_151] ... 34 more Caused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_151] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_151] ... 34 more [18:32:56] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: This crash report has been saved to: C:\Users\Thomas\Desktop\minecraft server\.\crash-reports\crash-2019-12-21_18.32.56-server.txt [18:32:56] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server [18:32:56] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving worlds [18:32:56] [Server thread/INFO] [FML]: The state engine was in incorrect state PREINITIALIZATION and forced into state SERVER_STOPPED. Errors may have been discarded. [18:32:56] [Server Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server [18:32:56] [Server Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Saving worlds

every time I open the forge file it crashes soon after but the vanilla server works fine this is the crash report java.lang.NoClassDefFoundError: com/mia/craftstudio/IPackReaderCallback at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:539) 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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$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:136) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:593) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) 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(Unknown Source) Caused by: java.lang.ClassNotFoundException: com.mia.craftstudio.IPackReaderCallback at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 34 more Caused by: java.lang.NullPointerException 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: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_151, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 481568488 bytes (459 MB) / 709885952 bytes (677 MB) up to 1881145344 bytes (1794 MB) JVM Flags: 0 total; IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.5.2838 17 mods loaded, 17 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-1.12.2-14.23.5.2838-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | forge | 14.23.5.2838 | forge-1.12.2-14.23.5.2838-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | securitycraft | v1.8.12 | [1.12.2]+SecurityCraft+v1.8.12.jar | None | | LC | bibliocraft | 2.4.5 | BiblioCraft-Mod-1.12.2.jar | None | | LC | chiselsandbits | 14.33 | Chisels-and-Bits-Mod-1.12.2.jar | None | | L | props | 2.6.3 | DecoCraft-Mod-1.12.2.jar | None | | L | desertcraft | 1.12.2a | Desert-Craft-Mod-1.12.2.jar | None | | L | flansmod | 5.5.2 | Flan's Mod-1.12.2-5.5.2.jar | None | | L | flansmodapocalypse | 1.0 | Flan's Mod-1.12.2-5.5.2.jar | None | | L | grimoireofgaia | 1.6.9.3 | Grimoire-of-Gaia-3-Mod-1.12.2.jar | None | | L | heroicarmory | 1.1.3 | Heroic-Armory-Mod-1.12.2.jar | None | | L | malisiscore | 1.12.2-6.5.1-SNAPSHOT | MalisisCore-1.12.2.jar | None | | L | malisisdoors | 1.12.2-7.3.0 | MalisisDoors-Mod-1.12.2.jar | None | | L | scp | 2.1.1 | SCP+Lockdown-1.12.2-2.1.1-beta.jar | None | | L | lteleporters | 1.12.2-3.0.2 | Simple-Teleporters-Mod-1.12.2.jar | None | Loaded coremods (and transformers): MalisisCorePlugin (MalisisCore-1.12.2.jar) Profiler Position: N/A (disabled) Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt)