Eclipse DEBUG错误：在cyu3device.c找不到源文件

大家好，
我非常新的使用Eclipse并尝试调试第一次。
我试过谷歌搜索，发现了很多解决方案，但什么都不懂。
我知道这是一个很小的问题。你能告诉我该怎么做吗？
我使用的是CyPress SDK 1.2.3。我的CyPress SDK位于C目录中，我的工作区在D目录中。
我正在做的这个项目是基于一个较旧的版本。
如果你需要更多的信息，请不要犹豫。
亲切的问候，
普鲁维



     以下为原文
  Hello guys,
    I am very new in using Eclipse and trying to debug for the first time .
    I have tried googling it and found many solutions but didnt understand anything.
    I know its a very small problem. Can you please tell me what to do+
    I am using cypress sdk 1.2.3 . I have my cypress sdk located in C directory and my workspace is in D directory.
    The project which I am working on is made on a older version.
    If you need any more information please dont hesitate to ask
    Kind Regards,
    Pruthvi