[23:37:41 WARN]: [OldCombatMechanics] Error in a packet listener (send).
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        at kernitus.plugin.OldCombatMechanics.utilities.reflection.Reflector.invokeMethod(Reflector.java:104) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.packet.team.V17TeamPacket$ScoreboardTeamWither.build(V17TeamPacket.java:198) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.packet.team.V17TeamPacket$PacketAccess.lambda$setCollisionRule$4(V17TeamPacket.java:120) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.reflection.Reflector.getUnchecked(Reflector.java:220) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.packet.team.V17TeamPacket$PacketAccess.setCollisionRule(V17TeamPacket.java:112) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.packet.team.V17TeamPacket.withCollisionRule(V17TeamPacket.java:27) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.module.ModulePlayerCollisions$CollisionPacketListener.handlePacket(ModulePlayerCollisions.java:162) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.module.ModulePlayerCollisions$CollisionPacketListener.onPacketSend(ModulePlayerCollisions.java:131) ~[OldCombatMechanics#85.jar:?]
        at kernitus.plugin.OldCombatMechanics.utilities.packet.mitm.PacketInjector.write(PacketInjector.java:181) ~[OldCombatMechanics#85.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:790) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:758) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:808) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[patched_1.17.1.jar:git-Paper-300]
        at com.comphenix.protocol.injector.netty.ChannelProxy.writeAndFlush(ChannelProxy.java:327) ~[ProtocolLib#533.jar:?]
        at net.minecraft.network.Connection.a(Connection.java:450) ~[app:?]
        at net.minecraft.network.Connection.lambda$writePacket$8(Connection.java:424) ~[app:?]
        at com.comphenix.protocol.injector.netty.ChannelInjector$3.lambda$onMessageScheduled$1(ChannelInjector.java:351) ~[ProtocolLib#533.jar:?]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) ~[patched_1.17.1.jar:git-Paper-300]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[patched_1.17.1.jar:git-Paper-300]
        at java.lang.Thread.run(Thread.java:831) ~[?:?]
Caused by: java.lang.reflect.InvocationTargetException
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:567) ~[?:?]
        at kernitus.plugin.OldCombatMechanics.utilities.reflection.Reflector.invokeMethod(Reflector.java:101) ~[OldCombatMechanics#85.jar:?]
        ... 25 more
Caused by: java.lang.IllegalArgumentException: Name cannot be null
        at net.minecraft.world.scores.PlayerTeam.setDisplayName(PlayerTeam.java:72) ~[app:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:567) ~[?:?]
        at kernitus.plugin.OldCombatMechanics.utilities.reflection.Reflector.invokeMethod(Reflector.java:101) ~[OldCombatMechanics#85.jar:?]
        ... 25 more
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