> [03:35:07 ERROR]: #!#! Stack trace:
> [03:35:07 ERROR]: #!#! java.lang.ClassCastException: java.util.HashMap cannot be cast to java.util.WeakHashMap
> [03:35:07 ERROR]: #!#! at com.github.tukenuke.tuske.util.VariableUtil.<init>(VariableUtil.java:24)
> [03:35:07 ERROR]: #!#! at com.github.tukenuke.tuske.util.VariableUtil.getInstance(VariableUtil.java:17)
> [03:35:07 ERROR]: #!#! at com.github.tukenuke.tuske.sections.gui.EffFormatGUI.execute(EffFormatGUI.java:141)
> [03:35:07 ERROR]: #!#! at com.github.tukenuke.tuske.util.EffectSection.check(EffectSection.java:54)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.lang.Condition.run(Condition.java:56)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.lang.Conditional.walk(Conditional.java:51)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:89)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.lang.Trigger.execute(Trigger.java:57)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:286)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:243)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.command.Commands.handleCommand(Commands.java:254)
> [03:35:07 ERROR]: #!#! at ch.njol.skript.command.Commands$1.onPlayerCommand(Commands.java:169)
> [03:35:07 ERROR]: #!#! at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35)
> [03:35:07 ERROR]: #!#! at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
> [03:35:07 ERROR]: #!#! at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
> [03:35:07 ERROR]: #!#! at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1788)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1604)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:5)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:13)
> [03:35:07 ERROR]: #!#! at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [03:35:07 ERROR]: #!#! at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.SystemUtils.a(SystemUtils.java:108)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1011)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
> [03:35:07 ERROR]: #!#! at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
> [03:35:07 ERROR]: #!#! at java.lang.Thread.run(Thread.java:748)