[13:08:25] [Server thread/INFO]: [ProtocolLib] Loading server plugin ProtocolLib v5.3.0
[13:08:25] [Server thread/WARN]: [ProtocolLib] Version (MC: 1.21.7) has not yet been tested! Proceed with caution.
[13:08:25] [Server thread/ERROR]:   [ProtocolLib] INTERNAL ERROR: Cannot load ProtocolLib.
  If this problem hasn't already been reported, please open a ticket
  at https://github.com/dmulloy2/ProtocolLib/issues with the following data:
  Stack Trace:
  java.lang.RuntimeException: Unable to find network.ProtocolInfo$a (network.ProtocolInfo$Unbound)
  	at ProtocolLib (11).jar//com.comphenix.protocol.utility.MinecraftReflection.lambda$getMinecraftClass$5(MinecraftReflection.java:1581)
  	at java.base/java.util.Optional.orElseThrow(Optional.java:403)
  	at ProtocolLib (11).jar//com.comphenix.protocol.utility.MinecraftReflection.getMinecraftClass(MinecraftReflection.java:1581)
  	at ProtocolLib (11).jar//com.comphenix.protocol.utility.MinecraftReflection.getProtocolInfoUnboundClass(MinecraftReflection.java:1878)
  	at ProtocolLib (11).jar//com.comphenix.protocol.injector.packet.PacketRegistry.createRegisterV1_20_5(PacketRegistry.java:367)
  	at ProtocolLib (11).jar//com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:552)
  	at ProtocolLib (11).jar//com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:604)
  	at ProtocolLib (11).jar//com.comphenix.protocol.injector.PacketFilterManager.<init>(PacketFilterManager.java:112)
  	at ProtocolLib (11).jar//com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121)
  	at ProtocolLib (11).jar//com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:179)
  	at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59)
  	at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18)
  	at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39)
  	at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:39)
  	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:566)
  	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:235)
  	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1164)
  	at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:310)
  	at java.base/java.lang.Thread.run(Thread.java:1583)