So, my forge server is not opening with mods, at all, here are the logs of it:
Java HotSpot(TM) 64-Bit Server VM warning: Using the ParNew young collector with the Serial old collector is deprecated and will likely be removed in a future release
[10:20:12] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:20:12] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:20:12] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:20:12] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2838 for Minecraft 1.12.2 loading
[10:20:12] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_211, running on Linux:amd64:3.10.0, installed at /usr/java/jdk1.8.0_211-amd64/jre
[10:20:12] [main/INFO] [FML]: Searching /home/minecraft/mc-instances/mc-5d41651490e33/./mods for mods
[10:20:12] [main/INFO] [FML]: Searching /home/minecraft/mc-instances/mc-5d41651490e33/./mods/1.12.2 for mods
[33;1m[10:20:12] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in CTM-MC1.12.2-0.3.3.22.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[39;0m[33;1m[10:20:12] [main/WARN] [FML]: The coremod team.chisel.ctm.client.asm.CTMCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[39;0m[33;1m[10:20:12] [main/WARN] [FML]: The coremod CTMCorePlugin (team.chisel.ctm.client.asm.CTMCorePlugin) is not signed!
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in HammerCore-1.12.2-2.0.4.7.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in InventoryTweaks-1.63+beta.108.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in OpenModsLib-1.12.2-0.12.2.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: The coremod openmods.core.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[39;0m[33;1m[10:20:13] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in tlskincape_1.12.2-1.2.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[39;0m[10:20:13] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:20:13] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[10:20:13] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:20:13] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:20:13] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:14] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[10:20:14] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:14] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:14] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:14] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Parsing hooks container gloomyfolken.hooklib.minecraft.SecondaryTransformerHook
[10:20:14] [main/INFO] [FML]: [HOOKLIB] Obfuscated: true
[10:20:14] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Parsing hooks container org.tlauncher.skin.cape.asm.TLSkinCapeHooks
[10:20:14] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:14] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[10:20:14] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Injecting hooks into class net.minecraftforge.fml.common.Loader
[10:20:14] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Patching method net.minecraftforge.fml.common.Loader#injectData([Ljava/lang/Object;)
[10:20:15] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Methods dictionary loaded in 3 ms
[10:20:15] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:15] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:15] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:20:15] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[10:20:15] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[10:20:15] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:debug:20]: [DEBUG] Injecting hooks into class net.minecraft.entity.player.EntityPlayer
[10:20:15] [main/INFO] [STDOUT]: [gloomyfolken.hooklib.asm.HookLogger$SystemOutLogger:warning:25]: [WARNING] Can not find target method of hook AsmHook: net.minecraft.entity.player.EntityPlayer#isWearing(Lnet/minecraft/entity/player/EnumPlayerModelParts;)Z -> org.tlauncher.skin.cape.asm.TLSkinCapeHooks#isWearing(Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/entity/player/EnumPlayerModelParts;Z)Z, ReturnCondition=ALWAYS, ReturnValue=HOOK_RETURN_VALUE, InjectorFactory: gloomyfolken.hooklib.asm.HookInjectorFactory$MethodExit, CreateMethod = false
[10:20:15] [main/INFO] [Hammer Core [ASM]]: Transforming net.minecraft.entity.EntityLivingBase (vp)...
[10:20:15] [main/INFO] [Hammer Core [ASM]]: -Patching EntityLivingBase
[10:20:15] [main/INFO] [Hammer Core [ASM]]: -Modified method 'onItemUseFinish': added event call.
[10:20:15] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.server.MinecraftServer}
[10:20:15] [main/INFO] [STDOUT]: [team.chisel.ctm.client.asm.CTMTransformer:preTransform:230]: Transforming Class [net.minecraft.block.Block], Method [getExtendedState]
[10:20:15] [main/INFO] [STDOUT]: [team.chisel.ctm.client.asm.CTMTransformer:finishTransform:242]: Transforming net.minecraft.block.Block Finished.
[10:20:16] [main/INFO] [Hammer Core [ASM]]: Transforming net.minecraft.tileentity.TileEntityLockableLoot (awa)...
[10:20:16] [main/INFO] [Hammer Core [ASM]]: -Patching TileEntityLockableLoot
[10:20:16] [main/INFO] [Hammer Core [ASM]]: -Modified method 'fillWithLoot': added 'withPlayer(player)' after 'withLuck(player.getLuck())'
[10:20:19] [Server thread/INFO] [minecraft/DedicatedServer]: Starting minecraft server version 1.12.2
[10:20:19] [Server thread/INFO] [FML]: MinecraftForge v14.23.5.2838 Initialized
[10:20:19] [Server thread/INFO] [FML]: Starts to replace vanilla recipe ingredients with ore ingredients.
[?1h=[?2004h> [K[10:20:19] [Server thread/INFO] [FML]: Invalid recipe found with multiple oredict ingredients in the same ingredient...
> [K[10:20:19] [Server thread/INFO] [FML]: Replaced 1227 ore ingredients
> [K[10:20:19] [Server thread/INFO] [FML]: Searching /home/minecraft/mc-instances/mc-5d41651490e33/./mods for mods
> [K[10:20:19] [Server thread/INFO] [FML]: Searching /home/minecraft/mc-instances/mc-5d41651490e33/./mods/1.12.2 for mods
> [K[33;1m[10:20:20] [Server thread/WARN] [FML]: Mod codechickenlib is missing the required element 'version' and a version.properties file could not be found. Falling back to metadata version 3.2.2.353
[39;0m> [K[10:20:20] [Server thread/INFO] [FML]: Disabling mod ctm it is client side only.
> [K[10:20:20] [Server thread/INFO] [FML]: Disabling mod neat it is client side only.
> [K[10:20:21] [Server thread/INFO] [FML]: Disabling mod xaerominimap it is client side only.
> [K[10:20:21] [Server thread/INFO] [FML]: Forge Mod Loader has identified 59 mods to load
> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for FML: assets/fml/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for codechickenlib: assets/codechickenlib/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for excp: assets/excp/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for gottschcore: assets/gottschcore/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for fluidtank_ae2: assets/fluidtank_ae2/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for fluidtank_theoneprobe: assets/fluidtank_theoneprobe/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for radixcore: assets/radixcore/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for corerm: assets/corerm/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for tlauncher_custom_cape_skin: assets/tlauncher_custom_cape_skin/lang/en_us.lang
[39;0m> [K[33;1m[10:20:21] [Server thread/WARN] [FML]: Missing English translation for teamlapen-lib: assets/teamlapen-lib/lang/en_us.lang
[39;0m> [K[10:20:21] [Server thread/INFO] [FML]: FML has found a non-mod file CTM-MC1.12.2-0.3.3.22.jar in your mods directory. It will now be injected into your classpath. This could severe stability issues, it should be removed if possible.
> [K[10:20:21] [Server thread/INFO] [FML]: FML has found a non-mod file MathParser.org-mXparser-4.0.0.jar in your mods directory. It will now be injected into your classpath. This could severe stability issues, it should be removed if possible.
> [K[10:20:21] [Server thread/INFO] [FML]: FML has found a non-mod file Neat+1.4-17.jar in your mods directory. It will now be injected into your classpath. This could severe stability issues, it should be removed if possible.
> [K[10:20:21] [Server thread/INFO] [FML]: FML has found a non-mod file Xaeros_Minimap_1.17.4_Forge_1.12.jar in your mods directory. It will now be injected into your classpath. This could severe stability issues, it should be removed if possible.
> [K[10:20:22] [Server thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, openmodscore, actuallyadditions, ageofweapons, armorplus, betteranimalsplus, betternether, bibliocraft, bookshelf, champions, codechickenlib, cyclopscore, demonrpg004, dungeons2, durabilitynotifier, enhancedarmaments, evilcraft, evilcraftcompat, extracreatures, excp, mod_lavacow, floocraftft, gb, gottschcore, hammercore, hats, ichunutil, improvableskills, inventorytweaks, jei, fluidtank, fluidtank_ae2, fluidtank_theoneprobe, lootbags, mca, morph, nei, openblocks, openmods, radixcore, recycler, corerm, scalinghealth, silentlib, icc, lteleporters, spartanshields, thedragonlib, tlauncher_custom_cape_skin, twilightforest, utilityworlds, teamlapen-lib, vampirism, jurassicraft, llibrary, structurize] at CLIENT
> [K[10:20:22] [Server thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, openmodscore, actuallyadditions, ageofweapons, armorplus, betteranimalsplus, betternether, bibliocraft, bookshelf, champions, codechickenlib, cyclopscore, demonrpg004, dungeons2, durabilitynotifier, enhancedarmaments, evilcraft, evilcraftcompat, extracreatures, excp, mod_lavacow, floocraftft, gb, gottschcore, hammercore, hats, ichunutil, improvableskills, inventorytweaks, jei, fluidtank, fluidtank_ae2, fluidtank_theoneprobe, lootbags, mca, morph, nei, openblocks, openmods, radixcore, recycler, corerm, scalinghealth, silentlib, icc, lteleporters, spartanshields, thedragonlib, tlauncher_custom_cape_skin, twilightforest, utilityworlds, teamlapen-lib, vampirism, jurassicraft, llibrary, structurize] at SERVER
> [K[10:20:22] [Server thread/INFO] [thedragonlib]: Welcoming Minecraft
> [K[10:20:22] [Server thread/INFO] [armorplus]: Welcoming Minecraft
> [K[31;1m[10:20:23] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: net/minecraft/client/model/ModelBiped
at mod.mcreator.demonrpg004.<init>(demonrpg004.java:75) ~[demonrpg004.class:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_211]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_211]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_211]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_211]
at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_211]
at net.minecraftforge.fml.common.ILanguageAdapter$JavaAdapter.getNewInstance(ILanguageAdapter.java:191) ~[forge-1.12.2-14.23.5.2838-universal.jar:?]
at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:599) ~[forge-1.12.2-14.23.5.2838-universal.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_211]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_211]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_211]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) ~[forge-1.12.2-14.23.5.2838-universal.jar:?]
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) ~[forge-1.12.2-14.23.5.2838-universal.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_211]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_211]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_211]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$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(Thread.java:748) [?:1.8.0_211]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.model.ModelBiped
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_211]
... 39 more
Caused by: java.lang.NullPointerException
[39;0m> [K[31;1m[10:20:23] [Server thread/ERROR] [minecraft/MinecraftServer]: This crash report has been saved to: /home/minecraft/mc-instances/mc-5d41651490e33/./crash-reports/crash-2019-08-02_10.20.23-server.txt
[39;0m> [K[10:20:23] [Server thread/INFO] [minecraft/MinecraftServer]: Stopping server
> [K[10:20:23] [Server thread/INFO] [minecraft/MinecraftServer]: Saving worlds
> [K[10:20:23] [Server thread/INFO] [FML]: The state engine was in incorrect state PREINITIALIZATION and forced into state SERVER_STOPPED. Errors may have been discarded.
>
