22:59:40] [Server thread/ERROR]: Could not load 'plugins\AAC-4.3.12.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.ExceptionInInitializerError
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:331) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:254) [foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:299) [foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:206) [foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:648) [foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]
Caused by: java.lang.ExceptionInInitializerError
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_251]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_251]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:65) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	... 6 more
Caused by: java.lang.RuntimeException: Couldn't inject packet handler in PlayerConnection.class
	at me.konsolas.aac.aQ.run(aQ.java) ~[?:?]
	at me.konsolas.aac.AAC.<clinit>(AAC.java) ~[?:?]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_251]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_251]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:65) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[foxspigot-server.jar:1.8.8-R0.1-SNAPSHOT]
	... 6 more