[01:00:52] [ProtocolLib-StructureCompiler 0/ERROR]:   [ProtocolLib] INTERNAL ERROR: Cannot compile structure. Disabing compiler.
  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.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @66dab718
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:340)
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:280)
        at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:198)
        at java.base/java.lang.reflect.Method.setAccessible(Method.java:192)
        at com.comphenix.protocol.reflect.compiler.StructureCompiler.generateClass(StructureCompiler.java:305)
        at com.comphenix.protocol.reflect.compiler.StructureCompiler.compile(StructureCompiler.java:219)
        at com.comphenix.protocol.reflect.compiler.BackgroundCompiler$2.call(BackgroundCompiler.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
  Dump:
  Parameters:
    com.comphenix.protocol.reflect.StructureModifier@7183a379[
      targetType=class net.minecraft.server.v1_16_R2.PacketPlayOutChat
      target=<null>
      converter=<null>
      fieldType=class java.lang.Object
      data=[private net.minecraft.server.v1_16_R2.IChatBaseComponent net.minecraft.server.v1_16_R2.PacketPlayOutChat.a, public net.md_5.bungee.api.chat.BaseComponent[] net.minecraft.server.v1_16_R2.PacketPlayOutChat.components, private net.minecraft.server.v1_16_R2.ChatMessageType net.minecraft.server.v1_16_R2.PacketPlayOutChat.b, private java.util.UUID net.minecraft.server.v1_16_R2.PacketPlayOutChat.c]
      defaultFields={public net.md_5.bungee.api.chat.BaseComponent[] net.minecraft.server.v1_16_R2.PacketPlayOutChat.components=1, private net.minecraft.server.v1_16_R2.ChatMessageType net.minecraft.server.v1_16_R2.PacketPlayOutChat.b=2, private java.util.UUID net.minecraft.server.v1_16_R2.PacketPlayOutChat.c=3}
      subtypeCache={interface net.minecraft.server.v1_16_R2.IChatBaseComponent=StructureModifier[fieldType=interface net.minecraft.server.v1_16_R2.IChatBaseComponent, data=[private net.minecraft.server.v1_16_R2.IChatBaseComponent net.minecraft.server.v1_16_R2.PacketPlayOutChat.a]]}
      customConvertHandling=false
      useStructureCompiler=true
    ]
    manager:
      com.comphenix.protocol.injector.PacketFilterManager@3276b384[
        unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@63af0cbd
        packetListeners=[PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[SERVER_INFO[class=PacketStatusOutServerInfo, id=0]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[PLAYER_LIST_HEADER_FOOTER[class=PacketPlayOutPlayerListHeaderFooter, id=84]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[CHAT[class=PacketPlayOutChat, id=15]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[BOSS[class=PacketPlayOutBoss, id=13]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[SCOREBOARD_OBJECTIVE[class=PacketPlayOutScoreboardObjective, id=74]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[TITLE[class=PacketPlayOutTitle, id=80]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Iridescent, sending=ListeningWhitelist[priority=HIGHEST, packets=[SCOREBOARD_TEAM[class=PacketPlayOutScoreboardTeam, id=76]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=AuctionMaster, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[UPDATE_SIGN[class=PacketPlayInUpdateSign, id=41]], gamephase=PLAYING, options=[]]]]
        packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@f5be3da
        playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@1087d7de
        interceptWritePacket=com.comphenix.protocol.injector.packet.InterceptWritePacket@17eaacd9
        inputBufferedPackets=[]
        recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@cbb907d
        sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@5caee703
        hasClosed=false
        classLoader=org.bukkit.plugin.java.PluginClassLoader@2a297449
        reporter=com.comphenix.protocol.ProtocolLib$1@72b9f26f
        server=CraftServer{serverName=CraftBukkit,serverVersion=git-Spigot-379750e-43c7ff9,minecraftVersion=1.16.2}
        library=ProtocolLib v4.5.1
        asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@601f429e
        knowsServerPackets=true
        knowsClientPackets=true
        phaseLoginCount=1
        phasePlayingCount=8
        packetCreation=false
        spigotInjector=<null>
        nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@64ff596e
        pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@3e3ce3bf
        hasRecycleDistance=true
        minecraftVersion=(MC: 1.16.2)
        loginPackets=com.comphenix.protocol.injector.LoginPackets@6424a886
        debug=false
      ]
  Sender:
    com.comphenix.protocol.reflect.compiler.BackgroundCompiler@6d3fb10a[
      listeners={com.comphenix.protocol.reflect.compiler.StructureCompiler$StructureKey@2b31307c=[com.comphenix.protocol.injector.StructureCache$1@7395b1ea]}
      listenerLock=java.lang.Object@2a6d853c
      compiler=com.comphenix.protocol.reflect.compiler.StructureCompiler@6b4c686f
      enabled=false
      shuttingDown=false
      executor=java.util.concurrent.Executors$FinalizableDelegatedExecutorService@7beb23ed
      reporter=com.comphenix.protocol.ProtocolLib$1@72b9f26f
      disablePermGenFraction=0.65
    ]
  Version:
    ProtocolLib v4.5.1
  Java Version:
    11.0.8
  Server:
    git-Spigot-379750e-43c7ff9 (MC: 1.16.2)```