Майнкрафт ошибка в консоли

Помогите исправить её:

[18:06:58 WARN]: Unexpected token COMMA(,) at position 0.
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:257)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:81)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:75)
[18:06:58 WARN]: at me.deejayarroba.craftheads.Main.loadCategories(Main.java:138)
[18:06:58 WARN]: at me.deejayarroba.craftheads.Main.onEnable(Main.java:56)
[18:06:58 WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264)
[18:06:58 WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316)
[18:06:58 WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
[18:06:58 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395)
[18:06:58 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:289)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616)
[18:06:58 WARN]: at java.lang.Thread.run(Unknown Source)
[18:06:58 WARN]: Unexpected character (P) at position 5296.
[18:06:58 WARN]: at org.json.simple.parser.Yylex.yylex(Yylex.java:610)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.nextToken(JSONParser.java:269)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:118)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:81)
[18:06:58 WARN]: at org.json.simple.parser.JSONParser.parse(JSONParser.java:75)
[18:06:58 WARN]: at me.deejayarroba.craftheads.Main.loadCategories(Main.java:138)
[18:06:58 WARN]: at me.deejayarroba.craftheads.Main.onEnable(Main.java:56)
[18:06:58 WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264)
[18:06:58 WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316)
[18:06:58 WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
[18:06:58 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395)
[18:06:58 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:289)
[18:06:58 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616)
[18:06:58 WARN]: at java.lang.Thread.run(Unknown Source)

Это не ошибка, а предупреждение. Оно не влияет на работу сервера.