ok im getting this after updating (trying i should say) a plugin. 20:37:23 [SEVERE] Could not load 'plugins\Quickstrasse.jar' in folder 'plugins': java.lang.ClassNotFoundException: com.bukkit.ashour.QuickStrasse.QuickStrasse at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:36) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:24) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j ava:134) at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager. java:160) at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager .java:108) at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:85) at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:217) at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:204) at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:144) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:259) at net.minecraft.server.ThreadServerApplication.run(SourceFile:394) can someone help me out, i dont know why this is happening im trying to learn more on how to update these plugins new to java please help?