[19:10:28] [Server thread/ERROR]: Plugin already initialized! initializing RecentGame v1.0 (Is it up to date?)
java.lang.IllegalArgumentException: Plugin already initialized!
	at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:123) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at me.huanmeng.recentgame.RecentGamePlugin.<init>(RecentGamePlugin.java:17) ~[?:?]
	at me.huanmeng.recentgame.RecentGamePlugin.onLoad(RecentGamePlugin.java:28) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:298) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:192) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:566) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.lambda$0(MinecraftServer.java:133) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.IllegalStateException: Initial initialization
	at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:126) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at me.huanmeng.recentgame.RecentGamePlugin.<init>(RecentGamePlugin.java:17) ~[?:?]
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
	at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?]
	at java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128) ~[?:?]
	at jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347) ~[?:?]
	at java.lang.Class.newInstance(Class.java:645) ~[?:?]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:77) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:331) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:254) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:293) ~[FlamePaper.jar:git-PaperSpigot-eab7564f]
	... 4 more