Fehler - CoinSystem - Spigot

[20:21:08 ERROR]: Could not load 'plugins\LobbySystem.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:164) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:739) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.Bukkit.reload(Bukkit.java:535) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:627) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:412) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:375) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_77]
Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:200) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:381) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:232) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:159) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        ... 13 more
Caused by: java.nio.charset.MalformedInputException: Input length = 1
        at java.nio.charset.CoderResult.throwException(Unknown Source) ~[?:1.8.0_77]
        at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.8.0_77]
        at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.8.0_77]
        at java.io.InputStreamReader.read(Unknown Source) ~[?:1.8.0_77]
        at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:123) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at java.io.Reader.read(Unknown Source) ~[?:1.8.0_77]
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:184) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:381) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:232) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:159) ~[Spigot.jar:git-Spigot-db6de12-3f3c65f]
        ... 13 more