Bukkit 1.4.2.
13:28:33 [WARNING] [MultiInv] Task #108741 for MultiInv v3.1.4 generated an exception
java.lang.NullPointerException
at uk.co.tggl.pluckerpluck.multiinv.listener.MIPlayerListener.savePlayerState(MIPlayerListener.java:205)
at uk.co.tggl.pluckerpluck.multiinv.player.DeferredWorldCheck.run(DeferredWorldCheck.java:27)
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:523)
at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:487)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
That's all what I can say about it. Randomly appears at console sometimes.