O co chodzi z tym błędem ? @esej Pomocy

[16:51:29 WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[16:51:29 WARN]: The server will make no attempt to authenticate usernames. Beware.
[16:51:29 WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
[16:51:29 WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[16:51:29 INFO]: Preparing level "world"
[16:51:29 INFO]: Preparing start region for level 0 (Seed: -3814612754247608254)
[16:51:29 WARN]: Exception in thread "Thread-7"
[16:51:29 WARN]: org.bukkit.craftbukkit.libs.com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 7
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:180)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:755)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:694)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.updater.BukkitDLUpdaterService.fetchArtifact(BukkitDLUpdaterService.java:53)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.updater.BukkitDLUpdaterService.getArtifact(BukkitDLUpdaterService.java:30)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.updater.AutoUpdater$1.run(AutoUpdater.java:77)
[16:51:29 WARN]: Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 7
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.expect(JsonReader.java:339)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.beginObject(JsonReader.java:322)
[16:51:29 WARN]:        at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:168)
[16:51:29 WARN]:        ... 5 more

Witam, uruchamiam serwer CraftBukkit 1.7.2 i w konsoli wyskakują mi takie blędy.

Pomoże ktoś?

@esej Liczę na ciebie