Problem spigot v 1.8.8

[11:23:09] [Server thread/ERROR]: #!#!
[11:23:09] [Server thread/ERROR]: #!#! ===!!!=== Skript variable load error ===!!!===
[11:23:09] [Server thread/ERROR]: #!#! Unable to load (all) variables:
[11:23:09] [Server thread/ERROR]: #!#! 8 variables could not be loaded!
[11:23:09] [Server thread/ERROR]: #!#! Affected variables: block.arepakiwi.temp, block.buddybearbutter1.temp, block.cent0s.temp, super.location, tut.pos5, tut.pos6, ultra.location, vote.location
[11:23:09] [Server thread/ERROR]: #!#!
[11:23:09] [Server thread/ERROR]: #!#! Skript will work properly, but old variables might not be available at all and new ones may or may not be saved until Skript is able to create a backup of the old file and/or is able to connect to the database (which requires a restart of Skript)!
[11:23:09] [Server thread/ERROR]: #!#!
[11:23:09] [Server thread/INFO]: [Skript] Created a backup of variables.csv as variables_2015-11-24_11-23-09.csv
[11:23:09] [Server thread/INFO]: [Skript] All scripts loaded without errors.
[11:23:09] [Server thread/WARN]: [Skript] Task #27 for Skript v2.1.1 generated an exception
java.lang.NoSuchMethodError: ch.njol.skript.command.ScriptCommand.<init>(Ljava/io/File;Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Ljava/lang/String;Ljava/lang/String;Ljava/util/ArrayList;Ljava/lang/String;Ljava/lang/String;ILjava/util/List;)V
	at ch.njol.skript.command.Commands.loadCommand(Commands.java:460) ~[?:?]
	at ch.njol.skript.ScriptLoader.loadScript(ScriptLoader.java:462) ~[?:?]
	at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:239) ~[?:?]
	at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:193) ~[?:?]
	at ch.njol.skript.Skript$2.run(Skript.java:377) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [craftbukkit.jar:git-Spigot-06ad352-4a7472d]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_66]