[20:29:56] [Server thread/INFO] [com.comphenix.protocol.ProtocolLib]: [ProtocolLib] Enabling ProtocolLib v4.5.1
[20:29:56] [Server thread/INFO] []: Error Cannot enable ProtocolLib. (java.lang.NoClassDefFoundError: com/comphenix/protocol/reflect/compiler/StructureCompiler) occured in ProtocolLib v4.5.1.
[20:29:56] [Server thread/ERROR] [Minecraft]:   [ProtocolLib] INTERNAL ERROR: Cannot enable ProtocolLib.
  If this problem hasn't already been reported, please open a ticket
  at https://github.com/dmulloy2/ProtocolLib/issues with the following data:
  Stack Trace:
  java.lang.NoClassDefFoundError: com/comphenix/protocol/reflect/compiler/StructureCompiler
  	at com.comphenix.protocol.reflect.compiler.BackgroundCompiler.initializeCompiler(BackgroundCompiler.java:131)
  	at com.comphenix.protocol.reflect.compiler.BackgroundCompiler.<init>(BackgroundCompiler.java:109)
  	at com.comphenix.protocol.ProtocolLib.onEnable(ProtocolLib.java:387)
  	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:159)
  	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:324)
  	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:408)
  	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:410)
  	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:349)
  	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:417)
  	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:321)
  	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:688)
  	at java.lang.Thread.run(Thread.java:748)
  Caused by: java.lang.ClassNotFoundException: Failed to remap class com.comphenix.protocol.reflect.compiler.StructureCompiler
  	at org.bukkit.plugin.java.PluginClassLoader.remappedFindClass(PluginClassLoader.java:208)
  	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:135)
  	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:109)
  	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
  	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
  	... 12 more
  Caused by: java.lang.NoClassDefFoundError: org/magmafoundation/magma/remapper/proxy/ProxyClassWriter
  	at org.magmafoundation.magma.remapper.remappers.ReflectionMethodRemapper.redirectVirtual(ReflectionMethodRemapper.java:150)
  	at org.magmafoundation.magma.remapper.remappers.ReflectionMethodRemapper.visitMethodInsn(ReflectionMethodRemapper.java:114)
  	at org.objectweb.asm.tree.MethodInsnNode.accept(Unknown Source)
  	at org.objectweb.asm.tree.InsnList.accept(Unknown Source)
  	at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
  	at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
  	at org.objectweb.asm.tree.ClassNode.accept(Unknown Source)
  	at org.magmafoundation.magma.remapper.utils.RemappingUtils.remapFindClass(RemappingUtils.java:113)
  	at org.bukkit.plugin.java.PluginClassLoader.remappedFindClass(PluginClassLoader.java:196)
  	... 16 more
  Dump:
    manager:
      com.comphenix.protocol.injector.PacketFilterManager@cafef41[
        unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@141e3fc0
        packetListeners=[]
        packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@324f28d4
        playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@477895a4
        interceptWritePacket=com.comphenix.protocol.injector.packet.InterceptWritePacket@34deafed
        inputBufferedPackets=[]
        recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@515b7689
        sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@1a19fdfe
        hasClosed=false
        classLoader=org.bukkit.plugin.java.PluginClassLoader@5a11cf9a
        reporter=com.comphenix.protocol.ProtocolLib$1@194f9eac
        server=CraftServer{serverName=Magma,serverVersion=dd991e7-DEV,minecraftVersion=1.12.2}
        library=ProtocolLib v4.5.1
        asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@524a311d
        knowsServerPackets=true
        knowsClientPackets=true
        phaseLoginCount=0
        phasePlayingCount=0
        packetCreation=false
        spigotInjector=<null>
        nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@46226a0a
        pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@f876681
        hasRecycleDistance=true
        minecraftVersion=(MC: 1.12.2)
        loginPackets=com.comphenix.protocol.injector.LoginPackets@5947a53d
        debug=false
      ]
  Sender:
    com.comphenix.protocol.ProtocolLib@6fd86bcf[
      statistics=<null>
      backgroundCompiler=<null>
      packetTask=-1
      tickCounter=0
      unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@141e3fc0
      configExpectedMod=-1
      updater=com.comphenix.protocol.updater.SpigotUpdater@7b1ff0e
      redirectHandler=com.comphenix.protocol.ProtocolLib$2@5296a7c8
      commandProtocol=com.comphenix.protocol.CommandProtocol@66116075
      commandPacket=com.comphenix.protocol.CommandPacket@21b5fc7
      commandFilter=com.comphenix.protocol.CommandFilter@a5a8905
      packetLogging=com.comphenix.protocol.PacketLogging@6d95d761
      skipDisable=false
      isEnabled=true
      loader=org.bukkit.plugin.java.JavaPluginLoader@ea106e
      server=CraftServer{serverName=Magma,serverVersion=dd991e7-DEV,minecraftVersion=1.12.2}
      file=plugins/ProtocolLib.jar
      description=org.bukkit.plugin.PluginDescriptionFile@585782d3
      dataFolder=plugins/ProtocolLib
      classLoader=org.bukkit.plugin.java.PluginClassLoader@5a11cf9a
      naggable=true
      newConfig=YamlConfiguration[path='', root='YamlConfiguration']
      configFile=plugins/ProtocolLib/config.yml
      logger=org.bukkit.plugin.PluginLogger@4576cb00
    ]
  Version:
    ProtocolLib v4.5.1
  Java Version:
    1.8.0_282
  Server:
    dd991e7-DEV (MC: 1.12.2)

[20:29:56] [Server thread/INFO] [com.comphenix.protocol.ProtocolLib]: [ProtocolLib] Disabling ProtocolLib v4.5.1