I have server error[ help me..]

Wrong location! net.minecraft.server.EntityItem@126a
-128.5302095413208,-189.31032398343086(-9,-12) vs -11,-14
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Unknown Source)
at net.minecraft.server.Chunk.a(Chunk.java:399)
at net.minecraft.server.World.a(World.java:814)
at net.minecraft.server.Block.a(SourceFile:409)
at net.minecraft.server.Block.a_(SourceFile:393)
at net.minecraft.server.Block.g(SourceFile:551)
at net.minecraft.server.ItemInWorldManager.c(ItemInWorldManager.java:96)
at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:27)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:341)
at net.minecraft.server.Packet14BlockDig.a(SourceFile:42)
at net.minecraft.server.NetworkManager.a(SourceFile:232)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:72)
at net.minecraft.server.NetworkListenThread.a(SourceFile:104)
at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:317)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:232)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:512)

error message..

and screenshot