[Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception java.lang.RuntimeException: java.lang.ClassNotFoundException: org.blockartistry.DynSurround.client.hud.CompassHUD at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:110) ~[ObjectHolderRegistry.class:?] at net.minecraftforge.registries.ObjectHolderRegistry.findObjectHolders(ObjectHolderRegistry.java:80) ~[ObjectHolderRegistry.class:?] at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:626) ~[Loader.class:?] at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:99) ~[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_222] Caused by: java.lang.ClassNotFoundException: org.blockartistry.DynSurround.client.hud.CompassHUD at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222] at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222] at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:104) ~[ObjectHolderRegistry.class:?] ... 7 more Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@3b0ca5e1 from coremod FMLCorePlugin at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260) ~[forge.jar:?] at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222] at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222] at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:104) ~[ObjectHolderRegistry.class:?] ... 7 more Caused by: java.lang.RuntimeException: Attempted to load class org/blockartistry/DynSurround/client/hud/CompassHUD for invalid side SERVER at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) ~[forge.jar:?] at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) ~[forge.jar:?] at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222] at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222] at net.minecraftforge.registries.ObjectHolderRegistry.scanTarget(ObjectHolderRegistry.java:104) ~[ObjectHolderRegistry.class:?] ... 7 more [18:55:03] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: This crash report has been saved to: /aternos/server/./crash-reports/crash-2020-02-24_18.55.03-server.txt