[19:19:35 ERROR]: Could not load 'plugins\ServAPI.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:162) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.loadPlugins(CraftServer.java:298) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.reload(CraftServer.java:743) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.Bukkit.reload(Bukkit.java:525) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:641) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1385) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1220) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_161]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_161]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:254) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:58) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:436) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:226) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:157) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        ... 20 more
Caused by: java.nio.charset.MalformedInputException: Input length = 1
        at java.nio.charset.CoderResult.throwException(Unknown Source) ~[?:1.8.0_161]
        at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.8.0_161]
        at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.8.0_161]
        at java.io.InputStreamReader.read(Unknown Source) ~[?:1.8.0_161]
        at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:125) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:223) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:58) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:436) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:226) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:157) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        ... 20 more