Error!

C:\Users\Username\Desktop\Servers!\UHC>java -Xmx4G -jar craftbukkit.jar -o true
java.lang.NullPointerException
        at java.io.Reader.<init>(Unknown Source)
        at java.io.InputStreamReader.<init>(Unknown Source)
        at net.minecraft.server.v1_6_R3.AchievementMap.<init>(SourceFile:15)
        at net.minecraft.server.v1_6_R3.AchievementMap.<clinit>(SourceFile:9)
        at net.minecraft.server.v1_6_R3.Statistic.g(SourceFile:37)
        at net.minecraft.server.v1_6_R3.CounterStatistic.g(SourceFile:15)
        at net.minecraft.server.v1_6_R3.StatisticList.<clinit>(SourceFile:27)
        at net.minecraft.server.v1_6_R3.MinecraftServer.main(MinecraftServer.jav
a:613)
        at org.bukkit.craftbukkit.Main.main(Main.java:152)
java.lang.ExceptionInInitializerError
        at net.minecraft.server.v1_6_R3.LocaleI18n.<clinit>(SourceFile:7)
        at net.minecraft.server.v1_6_R3.Item.v(SourceFile:495)
        at net.minecraft.server.v1_6_R3.StatisticList.a(SourceFile:139)
        at net.minecraft.server.v1_6_R3.StatisticList.c(SourceFile:85)
        at net.minecraft.server.v1_6_R3.Item.<clinit>(SourceFile:310)
        at net.minecraft.server.v1_6_R3.Block.<clinit>(Block.java:713)
        at net.minecraft.server.v1_6_R3.StatisticList.a(SourceFile:122)
        at net.minecraft.server.v1_6_R3.StatisticList.<clinit>(SourceFile:55)
        at net.minecraft.server.v1_6_R3.MinecraftServer.main(MinecraftServer.jav
a:613)
        at org.bukkit.craftbukkit.Main.main(Main.java:152)
Caused by: java.lang.NullPointerException
        at java.io.Reader.<init>(Unknown Source)
        at java.io.InputStreamReader.<init>(Unknown Source)
        at org.apache.commons.io.IOUtils.readLines(IOUtils.java:986)
        at net.minecraft.server.v1_6_R3.LocaleLanguage.<init>(SourceFile:26)
        at net.minecraft.server.v1_6_R3.LocaleLanguage.<clinit>(SourceFile:19)
        ... 10 more

C:\Users\Username\Desktop\Servers!\UHC>PAUSE
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