00:54:36 [WARNING] [OnTime] Task #439 for OnTime v3.5.0 generated an exception
java.lang.NoSuchMethodError: net.krinsoft.privileges.groups.GroupManager.setGroup(Ljava/lang/String;Ljava/lang/String;)V
        at net.milkbowl.vault.permission.plugins.Permission_Privileges.playerAddGroup(Permission_Privileges.java:136)
        at net.milkbowl.vault.permission.plugins.Permission_Privileges.playerRemoveGroup(Permission_Privileges.java:146)
        at me.edge209.OnTime.Rewards.Rewards.issue(Rewards.java:1313)
        at me.edge209.OnTime.Rewards.Rewards$1.run(Rewards.java:581)
        at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53)
        at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
        at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:514)
        at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:478)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:413)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)