[18:43:58 INFO]: [Instances] Registering packet handler for no-op command block editing
[18:43:58 WARN]: [Instances] Error loading dependecy interface org.cyberiantiger.minecraft.instances.unsafe.depend.PacketHooks for plugin ProtocolLib
java.lang.ClassCastException: com.comphenix.protocol.ProtocolLib cannot be cast to com.comphenix.protocol.ProtocolLibrary
        at org.cyberiantiger.minecraft.instances.unsafe.depend.ProtocolLibPacketHooksFactory$ProtocolLibPacketHooks.<init>(ProtocolLibPacketHooksFactory.java:58) ~[instances-1.24-SNAPSHOT.jar:?]
        at org.cyberiantiger.minecraft.instances.unsafe.depend.ProtocolLibPacketHooksFactory.createInterface(ProtocolLibPacketHooksFactory.java:50) ~[instances-1.24-SNAPSHOT.jar:?]
        at org.cyberiantiger.minecraft.instances.unsafe.depend.ProtocolLibPacketHooksFactory.createInterface(ProtocolLibPacketHooksFactory.java:36) ~[instances-1.24-SNAPSHOT.jar:?]
        at org.cyberiantiger.minecraft.instances.util.DependencyFactory.getDependecy(DependencyFactory.java:59) [instances-1.24-SNAPSHOT.jar:?]
        at org.cyberiantiger.minecraft.instances.util.DependencyUtil$2.invoke(DependencyUtil.java:68) [instances-1.24-SNAPSHOT.jar:?]
        at com.sun.proxy.$Proxy50.install(Unknown Source) [?:?]
        at org.cyberiantiger.minecraft.instances.Instances.onEnable(Instances.java:494) [instances-1.24-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:292) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at org.bukkit.craftbukkit.v1_9_R2.CraftServer.loadPlugin(CraftServer.java:361) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at org.bukkit.craftbukkit.v1_9_R2.CraftServer.enablePlugins(CraftServer.java:321) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at net.minecraft.server.v1_9_R2.MinecraftServer.t(MinecraftServer.java:416) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at net.minecraft.server.v1_9_R2.MinecraftServer.l(MinecraftServer.java:381) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at net.minecraft.server.v1_9_R2.MinecraftServer.a(MinecraftServer.java:336) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at net.minecraft.server.v1_9_R2.DedicatedServer.init(DedicatedServer.java:268) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:532) [spigot-1.9.4.jar:git-Spigot-4af49dc-23da8b0]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[18:43:58 WARN]: [Instances] Could not install packet hooks, protocollib is required for command block editing to work.