[Imm]

Не получается скомпилить ядро сервера, выдает ошибку. Подскажите, пожалуйста, что она значит и как эту проблему устранить:

D:\server>ant
Buildfile: D:\server\build.xml

clean:
   [delete] Deleting directory D:\server\build

init:
    [mkdir] Created dir: D:\server\build
    [mkdir] Created dir: D:\server\build\classes
    [mkdir] Created dir: D:\server\build\dist
    [mkdir] Created dir: D:\server\build\dist\login
    [mkdir] Created dir: D:\server\build\dist\game

compile:
    [javac] Compiling 1678 source files to D:\server\build\c
lasses
    [javac] D:\server\java\l2qj\gameserver\model\entity\olym
piad\Olympiad.java:35: duplicate class: l2qj.gameserver.model.olympiad.Olympiad
    [javac] public class Olympiad
    [javac]        ^
    [javac] D:\server\java\l2qj\gameserver\model\L2Player.ja
va:48: cannot access l2qj.gameserver.model.entity.olympiad.Olympiad
    [javac] bad class file: D:\server\java\l2qj\gameserver\m
odel\entity\olympiad\Olympiad.java
    [javac] file does not contain class l2qj.gameserver.model.entity.olympiad.Ol
ympiad
    [javac] Please remove or make sure it appears in the correct subdirectory of
 the classpath.
    [javac] import l2qj.gameserver.model.entity.olympiad.Olympiad;
    [javac]                                             ^

BUILD FAILED
D:\server\build.xml:53: Compile failed; see the compiler err
or output for details.

Total time: 4 seconds