Wath is this?.. :S
Who is the Problem...

Protocollib. Fehler
manager:
com.comphenix.protocol.injector.PacketFilterManager@6d453bdb[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@4204b288
packetListeners=[PacketAdapter[plugin=MCPerks, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[UPDATE_SIGN[class=PacketPlayInUpdateSign, id=43]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=PluginHiderPlus, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[TAB_COMPLETE[class=PacketPlayInTabComplete, id=6]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=PluginHiderPlus, sending=ListeningWhitelist[priority=NORMAL, packets=[CHAT[PLAY, SERVER, 15, classNames: [net.minecraft.network.protocol.game.PacketPlayOutChat, net.minecraft.network.protocol.game.ClientboundChatPacket, net.minecraft.network.play.server.SPacketChat] (unregistered)]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST]]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@6185ee0c
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@495180a9
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@d8ee1bb
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@6af99270
hasClosed=false
classLoader=org.bukkit.plugin.java.PluginClassLoader@7dd26a1
reporter=com.comphenix.protocol.ProtocolLib$1@2442e4ad
server=CraftServer{serverName=CraftBukkit,serverVersion=3712-Spigot-b31949f-be8682a,minecraftVersion=1.19.4}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@1b2acaec
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=3
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@39496861
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@31a87f5a
hasRecycleDistance=true
minecraftVersion=(MC: 1.19.4)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@2f9f8f12[
decodeBuffer=protected void net.minecraft.network.PacketDecoder.decode(io.netty.channel.ChannelHandlerContext,io.netty.buffer.ByteBuf,java.util.List) throws java.lang.Exception
encodeBuffer=protected void net.minecraft.network.PacketEncoder.encode(io.netty.channel.ChannelHandlerContext,java.lang.Object,io.netty.buffer.ByteBuf) throws java.lang.Exception
factory=com.comphenix.protocol.injector.netty.InjectionFactory@1478443b
player=com.comphenix.protocol.injector.server.TemporaryPlayerInvocationHandler@3838eed5
updated=
playerName=
playerConnection=
networkManager=net.minecraft.network.NetworkManager@543fa242
originalChannel=[id: 0xd8b80790, L:/185.239.238.89:25565 - R:/109.123.240.84:34038]
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.m], container=net.minecraft.network.NetworkManager@543fa242, previous=[id: 0xd8b80790, L:/185.239.238.89:25565 - R:/109.123.240.84:34038], current=com.comphenix.protocol.injector.netty.ChannelInjector$3@7a04f7a3, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@535f070
vanillaDecoder=net.minecraft.network.PacketDecoder@2cb16f26
vanillaEncoder=net.minecraft.network.PacketEncoder@57cc462
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@39496861
processor=com.comphenix.protocol.injector.NetworkProcessor@72845f92
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 21, widx: 21, cap: 256)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@2f7872ab
singleDecode=false
first=true
firedChannelRead=false
selfFiredChannelRead=true
decodeState=1
discardAfterReads=16
numReads=0
added=true
]
Version:
ProtocolLib v4.8.0
Java Version:
17.0.6
Server:
3712-Spigot-b31949f-be8682a (MC: 1.19.4)

Your protocolLib version is out of date for minecraft 1.19.4.
Download a more updated version that supports your server version here
https://ci.dmulloy2.net/job/ProtocolLib/