I've been trying for some time now and i cant make it run with mods. Here is the latest log
[03abr2022 13:44:18.053] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 36.2.20, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge]
[03abr2022 13:44:18.055] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 1.8.0_321 by Oracle Corporation
[03abr2022 13:44:18.353] [main/INFO] [net.minecraftforge.fml.loading.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust
[03abr2022 13:44:18.383] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.4 Source=file:/C:/Users/Alan/Desktop/Server%20MC/libraries/org/spongepowered/mixin/0.8.4/mixin-0.8.4.jar Service=ModLauncher Env=SERVER
[03abr2022 13:44:19.528] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmlserver' with arguments [--gameDir, .]
[03abr2022 13:44:19.585] [main/WARN] [mixin/]: Reference map 'untamedwilds.refmap.json' for untamedwilds.mixins.json could not be read. If this is a development environment you can ignore this message
[03abr2022 13:44:19.733] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/renderer/entity/model/BipedModel (java.lang.ClassNotFoundException: null)
[03abr2022 13:44:19.734] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.renderer.entity.model.BipedModel was not found customnpcs.mixins.json:BipedBodyMixin
[03abr2022 13:44:19.735] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/renderer/model/ModelRenderer (java.lang.ClassNotFoundException: null)
[03abr2022 13:44:19.735] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.renderer.model.ModelRenderer was not found customnpcs.mixins.json:ModelRendererMixin
[03abr2022 13:44:19.737] [main/FATAL] [net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/renderer/entity/layers/BipedArmorLayer for invalid dist DEDICATED_SERVER
[03abr2022 13:44:19.737] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/renderer/entity/layers/BipedArmorLayer (java.lang.RuntimeException: Attempted to load class net/minecraft/client/renderer/entity/layers/BipedArmorLayer for invalid dist DEDICATED_SERVER)
[03abr2022 13:44:19.737] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.renderer.entity.layers.BipedArmorLayer was not found customnpcs.mixins.json:ArmorLayerMixin
[03abr2022 13:44:19.743] [main/WARN] [mixin/]: Error loading class: com/mojang/blaze3d/matrix/MatrixStack (java.lang.ClassNotFoundException: null)
[03abr2022 13:44:19.744] [main/WARN] [mixin/]: @Mixin target com.mojang.blaze3d.matrix.MatrixStack was not found customnpcs.mixins.json:MatrixStackMixin
[03abr2022 13:44:19.745] [main/FATAL] [net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/MouseHelper for invalid dist DEDICATED_SERVER
[03abr2022 13:44:19.745] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/MouseHelper (java.lang.RuntimeException: Attempted to load class net/minecraft/client/MouseHelper for invalid dist DEDICATED_SERVER)
[03abr2022 13:44:19.746] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.MouseHelper was not found customnpcs.mixins.json:MouseHelperMixin
[03abr2022 13:44:19.751] [main/FATAL] [net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/particle/ParticleManager for invalid dist DEDICATED_SERVER
[03abr2022 13:44:19.751] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/particle/ParticleManager (java.lang.RuntimeException: Attempted to load class net/minecraft/client/particle/ParticleManager for invalid dist DEDICATED_SERVER)
[03abr2022 13:44:19.752] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.particle.ParticleManager was not found customnpcs.mixins.json:ParticleManagerMixin
[03abr2022 13:44:19.810] [main/FATAL] [net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/network/play/ClientPlayNetHandler for invalid dist DEDICATED_SERVER
[03abr2022 13:44:19.810] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/network/play/ClientPlayNetHandler (java.lang.RuntimeException: Attempted to load class net/minecraft/client/network/play/ClientPlayNetHandler for invalid dist DEDICATED_SERVER)
[03abr2022 13:44:19.811] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.network.play.ClientPlayNetHandler was not found customnpcs.mixins.json:ClientPlayNetHandlerMixin
[03abr2022 13:44:19.817] [main/FATAL] [net.minecraftforge.fml.loading.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/renderer/ItemModelMesher for invalid dist DEDICATED_SERVER
[03abr2022 13:44:19.817] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/renderer/ItemModelMesher (java.lang.RuntimeException: Attempted to load class net/minecraft/client/renderer/ItemModelMesher for invalid dist DEDICATED_SERVER)
[03abr2022 13:44:19.817] [main/WARN] [mixin/]: @Mixin target net.minecraft.client.renderer.ItemModelMesher was not found customnpcs.mixins.json:ItemModelMesherMixin
[03abr2022 13:44:19.970] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: java.lang.NoSuchMethodError: sun.security.util.ManifestEntryVerifier.<init>(Ljava/util/jar/Manifest;)V
[03abr2022 13:44:19.970] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.SecureJarHandler.createCodeSource(SecureJarHandler.java:66)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:275)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.Class.forName0(Native Method)
[03abr2022 13:44:19.971] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.Class.forName(Unknown Source)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:51)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.Launcher.run(Launcher.java:82)
[03abr2022 13:44:19.972] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)
[03abr2022 13:44:19.973] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)
[03abr2022 13:44:19.973] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)
[03abr2022 13:44:19.973] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:-1]: at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)