Помогите Логи ошибки

Что за ошибки, и как решить ?

Спойлер

at ru.tehkode.permissions.backends.FileBackend.reload(Unknown Source)
at ru.tehkode.permissions.backends.FileBackend.initialize(Unknown Source)
at ru.tehkode.permissions.PermissionManager.setBackend(Unknown Source)
at ru.tehkode.permissions.PermissionManager.initBackend(Unknown Source)
at ru.tehkode.permissions.PermissionManager.<init>(Unknown Source)
at ru.tehkode.permissions.bukkit.PermissionsEx.onLoad(Unknown Source)
at org.bukkit.craftbukkit.v1_4_R1.CraftServer.loadPlugins(CraftServer.java:253)
at org.bukkit.craftbukkit.v1_4_R1.CraftServer.<init>(CraftServer.java:226)
at gm.<init>(ServerConfigurationManager.java:121)
at hn.<init>(DedicatedPlayerList.java:19)
at ho.c(DedicatedServer.java:148)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:724)
at fy.run(ThreadMinecraftServer.java:16)
Caused by: org.bukkit.configuration.InvalidConfigurationException: unacceptable character '�' (0xFFFD) special characters are not allowed
in "<string>", position 1322
at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:55)
at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:138)
at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:105)
... 13 more
Caused by: unacceptable character '�' (0xFFFD) special characters are not allowed
in "<string>", position 1322
at org.yaml.snakeyaml.reader.StreamReader.checkPrintable(StreamReader.java:70)
at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:50)
at org.yaml.snakeyaml.Yaml.load(Yaml.java:399)
at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:53)