Dies steht in der Konsole:
[21:37:48 ERROR]: Could not load 'plugins\BanSystemSS.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:164) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:739) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.Bukkit.reload(Bukkit.java:535) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:627) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:412) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:375) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_151]
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-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.yaml.snakeyaml.Yaml.load(Yaml.java:381) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:232) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:159) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
... 13 more
Caused by: java.nio.charset.MalformedInputException: Input length = 1
at java.nio.charset.CoderResult.throwException(Unknown Source) ~[?:1.8.0_151]
at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.8.0_151]
at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.8.0_151]
at java.io.InputStreamReader.read(Unknown Source) ~[?:1.8.0_151]
at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:123) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.io.Reader.read(Unknown Source) ~[?:1.8.0_151]
at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:184) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.yaml.snakeyaml.Yaml.load(Yaml.java:381) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:232) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:159) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
... 13 more