Ошибка В Гс

Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/tools/javac/M
ain
        at l2r.extensions.scripts.Scripts.load(Scripts.java:142)
        at l2r.extensions.scripts.Scripts.<init>(Scripts.java:51)
        at l2r.extensions.scripts.Scripts.getInstance(Scripts.java:44)
        at l2r.gameserver.tables.NpcTable.RestoreNpcData(NpcTable.java:257)
        at l2r.gameserver.tables.NpcTable.<init>(NpcTable.java:57)
        at l2r.gameserver.tables.NpcTable.getInstance(NpcTable.java:46)
        at l2r.gameserver.GameServer.<init>(GameServer.java:196)
        at l2r.gameserver.GameServer.main(GameServer.java:442)
Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.Main
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        ... 8 more