[14:37:04 WARN]: org.json.JSONException: JSONObject["block"] not found.

[14:37:04 WARN]: at org.json.JSONObject.get(JSONObject.java:566)

[14:37:04 WARN]: at de.einjava.bansystem.utils.BanHandler.hasVPN(BanHandler.java:48)

[14:37:04 WARN]: at de.einjava.bansystem.listener.PlayerLoginListener.onPlayerLogin(PlayerLoginListener.java:48)

[14:37:04 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[14:37:04 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

[14:37:04 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

[14:37:04 WARN]: at java.lang.reflect.Method.invoke(Method.java:498)

[14:37:04 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)

[14:37:04 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)

[14:37:04 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)

[14:37:04 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.PlayerList.attemptLogin(PlayerList.java:456)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:118)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)

[14:37:04 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)

[14:37:04 WARN]: at java.lang.Thread.run(Thread.java:748)