Помогите Сервер крашится

Помогите, народ!
Сервер крашится, в логе вот такая ошибка:

Спойлер

27.11 16:51:25 [Server] SEVERE Current Thread: Connection #7111 read thread
27.11 16:51:25 [Server] SEVERE ------------------------------
27.11 16:51:25 [Server] SEVERE net.minecraft.server.ThreadServerApplication.run(SourceFile:856)
27.11 16:51:25 [Server] SEVERE net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454)
27.11 16:51:25 [Server] SEVERE net.minecraft.server.DedicatedServer.a(DedicatedServer.java:203)
27.11 16:51:25 [Server] SEVERE java.lang.Thread.sleep(Native Method)
27.11 16:51:25 [Server] SEVERE Stack:
27.11 16:51:25 [Server] SEVERE PID: 12 | Alive: true | State: TIMED_WAITING
27.11 16:51:25 [Server] SEVERE Current Thread: Server thread
27.11 16:51:25 [Server] SEVERE ------------------------------
27.11 16:51:25 [Server] SEVERE net.minecraft.server.ThreadSleepForever.run(SourceFile:52)
27.11 16:51:25 [Server] SEVERE java.lang.Thread.sleep(Native Method)
27.11 16:51:25 [Server] SEVERE Stack:
27.11 16:51:25 [Server] SEVERE PID: 13 | Alive: true | State: TIMED_WAITING
27.11 16:51:25 [Server] SEVERE Current Thread: Thread-4
27.11 16:51:25 [Server] SEVERE ------------------------------
27.11 16:51:25 [Server] SEVERE net.minecraft.server.NetworkWriterThread.run(NetworkWriterThread.java:38)
27.11 16:51:25 [Server] SEVERE java.lang.Thread.sleep(Native Method)
27.11 16:51:25 [Server] SEVERE Stack:
27.11 16:51:25 [Server] SEVERE PID: 27112 | Alive: true | State: TIMED_WAITING
27.11 16:51:25 [Server] SEVERE Current Thread: Connection #7134 write thread
27.11 16:51:25 [Server] SEVERE ------------------------------
27.11 16:51:25 [Server] SEVERE Stack:
27.11 16:51:25 [Server] SEVERE PID: 14 | Alive: true | State: RUNNABLE
27.11 16:51:25 [Server] SEVERE Current Thread: DestroyJavaVM
27.11 16:51:25 [Server] SEVERE ------------------------------
27.11 16:51:25 [Server] SEVERE Begin Exception Trace For All Threads:
27.11 16:51:25 [Server] SEVERE Spigot version: 1.4.5-R0.2-SNAPSHOT
27.11 16:51:25 [Server] SEVERE Please report this to md_5!
27.11 16:51:25 [Server] SEVERE The server has stopped responding!

Из-за чего она?