Ошибка lucera2 GS

[DmB 1]

ERROR [L2ScriptEngineManager.java - 365]: Error excute script, file: D:\l123\qwerty\Source\build\game\data\scripts\custom\core\Buffer.java
javax.script.ScriptException: java.lang.reflect.InvocationTargetException
	at com.l2jserver.script.java.JavaScriptEngine.evalClass(JavaScriptEngine.java:476)
	at com.l2jserver.script.java.JavaScriptEngine$JavaCompiledScript.eval(JavaScriptEngine.java:96)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.executeScript(L2ScriptEngineManager.java:361)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.executeScript(L2ScriptEngineManager.java:332)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.loadScripts(L2ScriptEngineManager.java:230)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.loadScripts(L2ScriptEngineManager.java:247)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.loadScripts(L2ScriptEngineManager.java:247)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.loadScripts(L2ScriptEngineManager.java:247)
	at ru.catssoftware.gameserver.scripting.L2ScriptEngineManager.loadScripts(L2ScriptEngineManager.java:258)
	at ru.catssoftware.gameserver.scripting.ScriptsLoader.<init>(ScriptsLoader.java:25)
	at ru.catssoftware.gameserver.scripting.ScriptsLoader.getInstance(ScriptsLoader.java:20)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at ru.lucera2.startup.StartupManager.runLevel(StartupManager.java:111)
	at ru.catssoftware.gameserver.L2GameServer.<init>(L2GameServer.java:75)
	at ru.catssoftware.gameserver.L2GameServer.getInstance(L2GameServer.java:27)
	at ru.catssoftware.gameserver.util.BootManager.<init>(BootManager.java:84)
	at ru.catssoftware.gameserver.util.BootManager.main(BootManager.java:23)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.l2jserver.script.java.JavaScriptEngine.evalClass(JavaScriptEngine.java:464)
	... 19 more
Caused by: java.lang.NoClassDefFoundError: ru/catssoftware/gameserver/datatables/NpcBufferTable
	at custom.core.Buffer.<init>(Unknown Source)
	at custom.core.Buffer.main(Unknown Source)
	... 24 more
Caused by: java.lang.ClassNotFoundException: ru.catssoftware.gameserver.datatables.NpcBufferTable
	at java.net.URLClassLoader.findClass(Unknown Source)
	at com.l2jserver.script.java.MemoryClassLoader.findClass(MemoryClassLoader.java:79)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 26 more

последние две ошибки я знаю исправить.

А вот первую не могу понять. запуская ГС, выдает ошибку когда пытается скомпилировать скрипт баффера.