Помогите Ошибка

Could not load 'plugins/LattyItems.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:326) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:248) [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 net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:205) [spigot.jar:git-Spigot-596221b-9a1fc1e]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:544) [spigot.jar:git-Spigot-596221b-9a1fc1e]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:122) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:60) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at ru.ZentoFX.lattyitems.Main.<init>(Main.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_242]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_242]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_242]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_242]
at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_242]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
... 6 more
Caused by: java.lang.IllegalStateException: Initial initialization
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:125) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:60) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at ru.ZentoFX.lattyitems.Main.<init>(Main.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_242]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_242]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_242]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_242]
at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_242]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
... 6 more
> [23:46:34 ERROR]: Could not load