java.lang.NoClassDefFoundError: Could not initialize class com.comphenix.protocol.utility.ChatExtensions
at com.comphenix.protocol.ProtocolLib.onEnable(ProtocolLib.java:374)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:412)
at com.rylinaux.plugman.util.PluginUtil.enable(PluginUtil.java:62)
at com.rylinaux.plugman.util.PluginUtil.enableAll(PluginUtil.java:72)
at com.rylinaux.plugman.command.EnableCommand.execute(EnableCommand.java:101)
at com.rylinaux.plugman.PlugManCommandHandler.onCommand(PlugManCommandHandler.java:95)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181)
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:765)
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchServerCommand(CraftServer.java:751)
at net.minecraft.server.v1_7_R4.DedicatedServer.aB(DedicatedServer.java:344)
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:308)
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:642)
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:548)
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)
Dump:
Sender:
com.comphenix.protocol.ProtocolLib@2245c052[
statistics=
backgroundCompiler=
packetTask=-1
tickCounter=0
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@71bdaf5b
configExpectedMod=-1
updater=com.comphenix.protocol.updater.SpigotUpdater@1a660acc
redirectHandler=
commandProtocol=
commandPacket=
commandFilter=
packetLogging=
skipDisable=false
isEnabled=true
loader=org.bukkit.plugin.java.JavaPluginLoader@7d6de645
server=CraftServer{serverName=CraftBukkit,serverVersion=git-PaperSpigot-ea452ce,minecraftVersi
on=1.7.10}
file=plugins/ProtocolLib-4.5.0 (1).jar
description=org.bukkit.plugin.PluginDescriptionFile@3294190a
dataFolder=plugins/ProtocolLib
classLoader=org.bukkit.plugin.java.PluginClassLoader@38120162
naggable=true
ebean=
newConfig=YamlConfiguration[path='', root='YamlConfiguration']
configFile=plugins/ProtocolLib/config.yml
logger=org.bukkit.plugin.PluginLogger@73eed41a
]
Version:
ProtocolLib v4.5.0
Java Version:
1.8.0_312
Server:
git-PaperSpigot-ea452ce (MC: 1.7.10)

This is too historic to support, from the protocol version and the server version side. Please update to get support...

if you're still using 1.7.10, give 3.7.0 a try: https://github.com/dmulloy2/ProtocolLib/releases/tag/3.7.0