Hỏi đáp Lỗi:[19:28:29 WARN]: Caused by: unacceptable code point ' ' (0x0) special characters are not allowed in "'string'", position 0

[19:28:29 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577)
[19:28:29 WARN]: at java.lang.Thread.run(Unknown Source)
[19:28:29 WARN]: Caused by: unacceptable code point ' ' (0x0) special characters are not allowed
in "'string'", position 0
[19:28:29 WARN]: at org.yaml.snakeyaml.reader.StreamReader.checkPrintable(StreamReader.java:67)
[19:28:29 WARN]: at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:45)
[19:28:29 WARN]: at org.yaml.snakeyaml.Yaml.load(Yaml.java:437)
[19:28:29 WARN]: at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:53)
[19:28:29 WARN]: ... 14 more
[19:28:29 WARN]: org.bukkit.configuration.InvalidConfigurationException: unacceptable code point ' ' (0x0) special characters are not allowed
in "'string'", position 0
[19:28:29 WARN]: at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:55)
[19:28:29 WARN]: at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:162)
[19:28:29 WARN]: at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:130)
[19:28:29 WARN]: at nl.svenar.PowerRanks.Cache.CachedPlayers.set(CachedPlayers.java:203)
[19:28:29 WARN]: at nl.svenar.PowerRanks.PowerRanks.getEffectivePlayerPermissions(PowerRanks.java:985)
[19:28:29 WARN]: at nl.svenar.PowerRanks.Data.PowerPermissibleBase.isPermissionSet(PowerPermissibleBase.java:130)
[19:28:29 WARN]: at org.bukkit.permissions.PermissibleBase.hasPermission(PermissibleBase.java:71)
[19:28:29 WARN]: at nl.svenar.PowerRanks.Data.PowerPermissibleBase.hasPermission(PowerPermissibleBase.java:74)
[19:28:29 WARN]: at org.bukkit.craftbukkit.v1_12_R1.entity.CraftHumanEntity.hasPermission(CraftHumanEntity.java:112)
[19:28:29 WARN]: at com.gmail.revision9000.VEnchants.Timers.FlightTimer$2.run(FlightTimer.java:174)
[19:28:29 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76)
[19:28:29 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679)
[19:28:29 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577)
[19:28:29 WARN]: at java.lang.Thread.run(Unknown Source)
[19:28:29 WARN]: Caused by: unacceptable code point ' ' (0x0) special characters are not allowed
in "'string'", position 0
[19:28:29 WARN]: at org.yaml.snakeyaml.reader.StreamReader.checkPrintable(StreamReader.java:67)
[19:28:29 WARN]: at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:45)
[19:28:29 WARN]: at org.yaml.snakeyaml.Yaml.load(Yaml.java:437)
[19:28:29 WARN]: at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:53)
[19:28:29 WARN]: ... 16 more
Ở giữa '' là NUL cứ mở sv lên lại vậy ai biết fix chỉ cái