[23:12:10] [Server thread/INFO]: Starting minecraft server version 15w33c
[23:12:10] [Server thread/INFO]: Loading properties
[23:12:10] [Server thread/INFO]: Default game type: SURVIVAL
[23:12:10] [Server thread/INFO]: Generating keypair
[23:12:11] [Server thread/INFO]: Starting Minecraft server on *:25565
[23:12:11] [Server thread/INFO]: Using default channel type
[23:12:11] [Server thread/INFO]: Preparing level "1.7 world"
[23:12:11] [Server thread/INFO]: Preparing start region for level 0
[23:12:12] [Server thread/INFO]: Preparing spawn area: 0%
[23:12:13] [Server thread/INFO]: Preparing spawn area: 62%
[23:12:14] [Server thread/INFO]: Done (2.766s)! For help, type "help" or "?"
[23:13:26] [User Authenticator #1/INFO]: UUID of player Mobax13 is 98f1a215-5398-401c-8146-2eab72e6c0b5
[23:13:26] [Server thread/INFO]: Mobax13[/192.168.0.162:61262] logged in with entity id 122 at (-285.8703598866585, 135.0, -997.4639147861716)
[23:13:26] [Server thread/INFO]: Mobax13 joined the game
[23:13:27] [Server thread/ERROR]: Couldn't load chunk
e: Loading entity NBT
	at qu.f(SourceFile:1319) ~[minecraft_server.jar:?]
	at qw.a(SourceFile:187) ~[minecraft_server.jar:?]
	at aqq.a(SourceFile:316) ~[minecraft_server.jar:?]
	at aqq.a(SourceFile:81) ~[minecraft_server.jar:?]
	at aqq.a(SourceFile:68) ~[minecraft_server.jar:?]
	at lj.e(SourceFile:125) [minecraft_server.jar:?]
	at lj.c(SourceFile:77) [minecraft_server.jar:?]
	at lh$a.<init>(SourceFile:39) [minecraft_server.jar:?]
	at lh.a(SourceFile:231) [minecraft_server.jar:?]
	at lh.a(SourceFile:263) [minecraft_server.jar:?]
	at md.a(SourceFile:233) [minecraft_server.jar:?]
	at md.c(SourceFile:285) [minecraft_server.jar:?]
	at md.a(SourceFile:140) [minecraft_server.jar:?]
	at lu.b(SourceFile:110) [minecraft_server.jar:?]
	at lu.c(SourceFile:56) [minecraft_server.jar:?]
	at ek.a(SourceFile:221) [minecraft_server.jar:?]
	at lr.c(SourceFile:168) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.D(SourceFile:643) [minecraft_server.jar:?]
	at kt.D(SourceFile:299) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.C(SourceFile:553) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:457) [minecraft_server.jar:?]
	at java.lang.Thread.run(Thread.java:695) [?:1.6.0_65]
Caused by: java.lang.IllegalArgumentException: Invalid UUID string: 98f1a2155398401c81462eab72e6c0b5
	at java.util.UUID.fromString(UUID.java:201) ~[?:1.6.0_65]
	at rl.a(SourceFile:62) ~[minecraft_server.jar:?]
	at vn.a(SourceFile:130) ~[minecraft_server.jar:?]
	at qu.f(SourceFile:1310) ~[minecraft_server.jar:?]
	... 21 more
[23:13:30] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3474ms behind, skipping 69 tick(s)
[23:13:49] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3863ms behind, skipping 77 tick(s)
[23:13:54] [Server thread/INFO]: Mobax13 lost connection: TextComponent{text='Disconnected', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null, insertion=null}}
[23:13:54] [Server thread/INFO]: Mobax13 left the game
stop
[23:14:02] [Server thread/INFO]: Stopping the server
[23:14:02] [Server thread/INFO]: Stopping server
[23:14:02] [Server thread/INFO]: Saving players
[23:14:02] [Server thread/INFO]: Saving worlds
[23:14:02] [Server thread/INFO]: Saving chunks for level '1.7 world'/Overworld
[23:14:02] [Server thread/INFO]: Saving chunks for level '1.7 world'/Nether
[23:14:02] [Server thread/INFO]: Saving chunks for level '1.7 world'/The End
[23:14:04] [Server Shutdown Thread/INFO]: Stopping server
[23:14:04] [Server Shutdown Thread/INFO]: Saving players
[23:14:04] [Server Shutdown Thread/INFO]: Saving worlds
[23:14:04] [Server Shutdown Thread/INFO]: Saving chunks for level '1.7 world'/Overworld