[09:01:19 WARN]: java.lang.UnsupportedOperationException: The method getWorld is not supported for temporary players.
[09:01:19 WARN]:        at com.comphenix.protocol.injector.temporary.TemporaryPlayerFactory$1.delegate(TemporaryPlayerFactory.java:140)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.temporary.TemporaryPlayerInvocationHandler.getWorld(Unknown Source)
[09:01:19 WARN]:        at com.comphenix.protocol.events.AbstractStructure.getEntityModifier(AbstractStructure.java:327)
[09:01:19 WARN]:        at com.bgsoftware.wildstacker.hooks.ProtocolLibHook$PacketListener.onPacketSendingInternal(ProtocolLibHook.java:174)
[09:01:19 WARN]:        at com.bgsoftware.wildstacker.hooks.ProtocolLibHook$PacketListener.onPacketSending(ProtocolLibHook.java:166)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.collection.OutboundPacketListenerSet.invokeListener(OutboundPacketListenerSet.java:74)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.collection.PacketListenerSet.lambda$invoke$0(PacketListenerSet.java:123)
[09:01:19 WARN]:        at com.comphenix.protocol.timing.TimingTracker.lambda$static$0(TimingTracker.java:7)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.collection.PacketListenerSet.invoke(PacketListenerSet.java:123)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.collection.OutboundPacketListenerSet.invoke(OutboundPacketListenerSet.java:30)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.collection.PacketListenerSet.invoke(PacketListenerSet.java:102)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.PacketFilterManager.postPacketToListeners(PacketFilterManager.java:528)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.PacketFilterManager.invokeOutboundPacketListeners(PacketFilterManager.java:516)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:528)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:44)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:233)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.NetworkManager.runInEventLoop(SourceFile:221)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.NetworkManager.write(SourceFile:350)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.NetworkManager.a(SourceFile:301)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.NetworkManager.send(SourceFile:283)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.NetworkManager.handle(SourceFile:278)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.PlayerConnection.sendPacket(SourceFile:1211)
[09:01:19 WARN]:        at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.PacketListenerInvoker.send(PacketListenerInvoker.java:201)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendClientboundPacket(NettyChannelInjector.java:274)
[09:01:19 WARN]:        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:521)
[09:01:19 WARN]:        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(SourceFile:59)
[09:01:19 WARN]:        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(SourceFile:410)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.B(SourceFile:1063)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.DedicatedServer.B(SourceFile:502)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.A(SourceFile:961)
[09:01:19 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.run(SourceFile:850)
[09:01:19 WARN]:        at java.base/java.lang.Thread.run(Thread.java:840)