[16:53:11] [Server thread/ERROR]: Could not load 'plugins\CCT.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java

31) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:254) [PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.loadPlugins(CraftServer.java

02) [PaperSpigot-latest.jar:git-Paper-1104]
at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:208) [PaperSpigot-latest.jar:git-Paper-1104]
at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:612) [PaperSpigot-latest.jar:git-Paper-1104]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:123) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:67) ~[PaperSpigot-latest.jar:git-Paper-1104]
at me.ThanhLong.Main.<init>(Main.java:9) ~[?

]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_131]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_131]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_131]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_131]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:77) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[PaperSpigot-latest.jar:git-Paper-1104]
... 6 more
Caused by: java.lang.IllegalStateException: Initial initialization
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:126) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:67) ~[PaperSpigot-latest.jar:git-Paper-1104]
at me.ThanhLong.Main.<init>(Main.java:9) ~[?

]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_131]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_131]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_131]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_131]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:77) ~[PaperSpigot-latest.jar:git-Paper-1104]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[PaperSpigot-latest.jar:git-Paper-1104]
... 6 more