Çözüldü Kendiliğinden çıkan bir groupmanager hatası

[02:04:34] [Server thread/WARN]: [GroupManager] Task #14 for GroupManager vMinecraftTurkiye generated an exception
java.lang.IllegalAccessError: tried to access field ch.njol.skript.command.Commands.suppressUnknownCommandMessage from class ch.njol.skript.mirre.FilterPrintStream
    at ch.njol.skript.mirre.FilterPrintStream.println(FilterPrintStream.java:27) ~[?:?]
    at org.anjocaido.groupmanager.utils.GMLoggerHandler.publish(GMLoggerHandler.java:24) ~[?:?]
    at java.util.logging.Logger.log(Unknown Source) ~[?:1.8.0_111]
    at java.util.logging.Logger.doLog(Unknown Source) ~[?:1.8.0_111]
    at java.util.logging.Logger.log(Unknown Source) [?:1.8.0_111]
    at java.util.logging.Logger.info(Unknown Source) [?:1.8.0_111]
    at org.anjocaido.groupmanager.Tasks.BukkitPermsUpdateTask.run(BukkitPermsUpdateTask.java:25) ~[?:?]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]