ProtocolLib Version: ProtocolLib v4.8.0
Bukkit Version: 1.19-R0.1-SNAPSHOT
Server Version: git-Paper-18 (MC: 1.19)
Java Version: 17.0.3.1

ProtocolLib: com.comphenix.protocol.ProtocolLib@7b536d71[
statistics=com.comphenix.protocol.metrics.Statistics@eed398c
backgroundCompiler=com.comphenix.protocol.reflect.compiler.BackgroundCompiler@42f21797
packetTask=2
tickCounter=11718
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@28177251
configExpectedMod=1
updater=com.comphenix.protocol.updater.SpigotUpdater@542b3758
redirectHandler=com.comphenix.protocol.ProtocolLib$2@34f3e049
commandProtocol=com.comphenix.protocol.CommandProtocol@53b58e02
commandPacket=com.comphenix.protocol.CommandPacket@1a9754c
commandFilter=com.comphenix.protocol.CommandFilter@c3503d6
packetLogging=com.comphenix.protocol.PacketLogging@27ef4bb1
skipDisable=false
isEnabled=true
loader=org.bukkit.plugin.java.JavaPluginLoader@585504d0
server=CraftServer{serverName=Paper,serverVersion=git-Paper-18,minecraftVersion=1.19}
file=plugins\ProtocolLib (2).jar
description=org.bukkit.plugin.PluginDescriptionFile@129c0983
dataFolder=plugins\ProtocolLib
classLoader=PluginClassLoader{plugin=ProtocolLib v4.8.0, pluginEnabled=true, url=plugins\ProtocolLib (2).jar}
naggable=true
newConfig=YamlConfiguration[path='', root='YamlConfiguration']
configFile=plugins\ProtocolLib\config.yml
logger=com.destroystokyo.paper.utils.PaperPluginLogger@6bfce415
]
Manager: com.comphenix.protocol.injector.PacketFilterManager@379bf891[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@28177251
packetListeners=[]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@1794445c
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@238ad8ae
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@4bbdf33e
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@582b85e2
hasClosed=false
classLoader=PluginClassLoader{plugin=ProtocolLib v4.8.0, pluginEnabled=true, url=plugins\ProtocolLib (2).jar}
reporter=com.comphenix.protocol.ProtocolLib$1@189276ac
server=CraftServer{serverName=Paper,serverVersion=git-Paper-18,minecraftVersion=1.19}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@3812d476
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=0
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@1ae8d095
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@14ed4f50
hasRecycleDistance=true
minecraftVersion=(MC: 1.19.0)
debug=false
]

No listeners

ProtocolLib v4.8.0 does not support your version (1.19). Wait for the next stable release or download a dev build

Same problem

use dev builds: https://ci.dmulloy2.net/job/ProtocolLib/