Invalid Player Data - Could not place player in world

[matmarus]

1.18.2 Paper Spigot Server

When i join the server SOMETIMES to doesn't allow me to join and this error pops up, after trying for the 2nd time i can easily join the server

[11:51:42 ERROR]: Couldn't place player in world
net.minecraft.ReportedException: Sending packet
        at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2048) ~[?:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2026) ~[?:?]
        at net.minecraft.server.players.PlayerList.sendPlayerPermissionLevel(PlayerList.java:1171) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.players.PlayerList.sendPlayerPermissionLevel(PlayerList.java:1156) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.players.PlayerList.sendPlayerPermissionLevel(PlayerList.java:1015) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.players.PlayerList.placeNewPlayer(PlayerList.java:282) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.placeNewPlayer(ServerLoginPacketListenerImpl.java:215) ~[?:?]
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.handleAcceptedLogin(ServerLoginPacketListenerImpl.java:196) ~[?:?]
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.tick(ServerLoginPacketListenerImpl.java:84) ~[?:?]
        at net.minecraft.network.Connection.tick(Connection.java:558) ~[?:?]
        at net.minecraft.server.network.ServerConnectionListener.tick(ServerConnectionListener.java:231) ~[?:?]
        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1623) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:483) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1456) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1226) ~[paper-1.18.2.jar:git-Paper-388]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.18.2.jar:git-Paper-388]
        at java.lang.Thread.run(Unknown Source) ~[?:?]
Caused by: java.lang.NullPointerException: type cannot be null
        at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.0.1-jre.jar:?]
        at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:563) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:466) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib.jar:?]
        at net.minecraft.network.Connection.writePacket(Connection.java:435) ~[?:?]
        at net.minecraft.network.Connection.send(Connection.java:382) ~[?:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2040) ~[?:?]
        ... 16 more
[11:51:42 INFO]: marfow lost connection: Invalid player data

dump-2024-08-25_12.05.39.txt

[SForces]

I Have the same issue too 1.19.3 Purpur server

[Ingrim4]

Should be fixed in the latest dev build so please use the latest dev build and try again: https://ci.dmulloy2.net/job/ProtocolLib/lastSuccessfulBuild/