[17:43:40] [Server thread/ERROR]: Could not load 'plugins/ProjectHarry1.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
    at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:152) ~[spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.CraftServer.loadPlugins(CraftServer.java:301) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.CraftServer.reload(CraftServer.java:748) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.Bukkit.reload(Bukkit.java:540) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:650) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1354) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1189) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-3fb9445-6e3cec8]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_111]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_111]
    at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Spigot-3fb9445-6e3cec8]