[22:54:41 WARN]: [StatsGui] Task #32 for StatsGui v2.1 generated an exception
java.lang.NoSuchMethodError: com.gmail.nossr50.util.player.UserManager.getPlayer(Lorg/bukkit/OfflinePlayer;)Lcom/gmail/nossr50/datatypes/player/McMMOPlayer;
at me.cybermaxke.statsgui.plugin.hook.mcmmo.StatsMcMMO.getStats(StatsMcMMO.java:96) ~[?:?]
at me.cybermaxke.statsgui.plugin.SimpleStatsGui.update(SimpleStatsGui.java:190) ~[?:?]
at me.cybermaxke.statsgui.plugin.SimpleStatsGui$StatsUpdater.run(SimpleStatsGui.java:275) ~[?:?]
at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:53) ~[bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:587) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [bukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
人物一登录，这个一直重复刷啊刷，断开连接就不刷了- -

应该是冲突吧，具体什么原因还不清楚。我帮你翻译了一下。