skript console error

20.03 08:51:32 [Server] ERROR #!#! and check whether this error has already been reported.
20.03 08:51:32 [Server] ERROR #!#! If not please create a new ticket with a meaningful title, copy & paste this whole error into it,
20.03 08:51:32 [Server] ERROR #!#! and describe what you did before it happened and/or what you think caused the error.
20.03 08:51:32 [Server] ERROR #!#! If you think that it's a trigger that's causing the error please post the trigger as well.
20.03 08:51:32 [Server] ERROR #!#! By following this guide fixing the error should be easy and done fast.
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! Stack trace:
20.03 08:51:32 [Server] ERROR #!#! ch.njol.skript.SkriptAPIException: No class info found for worldborder
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.registrations.Classes.getClassInfo(Classes.java:242)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.getExprInfo(SkriptParser.java:1247)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse_i(SkriptParser.java:969)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:209)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:164)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parseSingleExpr(SkriptParser.java:509)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parseObjectExpression(SkriptParser.java:380)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parseExpression(SkriptParser.java:286)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse_i(SkriptParser.java:990)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse_i(SkriptParser.java:942)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:209)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:164)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.lang.Condition.parse(Condition.java:80)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.ScriptLoader.loadItems(ScriptLoader.java:694)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.ScriptLoader.loadScript(ScriptLoader.java:489)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:262)
20.03 08:51:32 [Server] ERROR #!#!     at ch.njol.skript.SkriptCommand.onCommand(SkriptCommand.java:155)
20.03 08:51:32 [Server] ERROR #!#!     at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
20.03 08:51:32 [Server] ERROR #!#!     at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:143)
20.03 08:51:32 [Server] ERROR #!#!     at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1189)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1001)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13)
20.03 08:51:32 [Server] ERROR #!#!     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
20.03 08:51:32 [Server] ERROR #!#!     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713)
20.03 08:51:32 [Server] ERROR #!#!     at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616)
20.03 08:51:32 [Server] ERROR #!#!     at java.lang.Thread.run(Thread.java:748)
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! Version Information:
20.03 08:51:32 [Server] ERROR #!#!   Skript: 2.1.2
20.03 08:51:32 [Server] ERROR #!#!   Bukkit: 1.8.8-R0.1-SNAPSHOT
20.03 08:51:32 [Server] ERROR #!#!   Minecraft: 1.8.8
20.03 08:51:32 [Server] ERROR #!#!   Java: 1.8.0_211
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! Running CraftBukkit: false
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! Current node: if name of tool of player is "&7[&4&lOG&7] Tag": (tags.sk, line 2)
20.03 08:51:32 [Server] ERROR #!#! Current item: null
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! Thread: Server thread
20.03 08:51:32 [Server] ERROR #!#!
20.03 08:51:32 [Server] ERROR #!#! End of Error.
20.03 08:51:32 [Server] ERROR #!#!