Server Crash

Description: Watching Server

java.lang.Error
	at aqa.p(SourceFile:662)
	at aqa.a(SourceFile:1562)
	at wk.V(SourceFile:777)
	at wk.J(SourceFile:332)
	at xh.J(SourceFile:175)
	at xi.J(SourceFile:153)
	at wk.j(SourceFile:262)
	at xh.j(SourceFile:1264)
	at xi.j(SourceFile:206)
	at aqa.a(SourceFile:1410)
	at ql.a(SourceFile:592)
	at aqa.g(SourceFile:1388)
	at aqa.i(SourceFile:1281)
	at ql.i(SourceFile:470)

Description: Watching Server

java.lang.Error
	at sun.reflect.Reflection.getCallerClass(Native Method)
	at java.lang.Class.getConstructor(Unknown Source)
	at aqm.a(SourceFile:124)
	at ql.c(SourceFile:182)
	at net.minecraft.server.MinecraftServer.y(SourceFile:597)
	at ph.y(SourceFile:303)
	at net.minecraft.server.MinecraftServer.x(SourceFile:529)
	at net.minecraft.server.MinecraftServer.run(SourceFile:445)
	at java.lang.Thread.run(Unknown Source)