samba - Nov 2002 - Repeated Smb Log Messages

Hi,

     Does anyone know what the following repeated smb log messages 
mean?  or know how to check it? I got these messages repeated from time to 
time in my log.smb file.

2002/11/02 14:28:19, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 14:43:24, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 14:44:05, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 14:53:22, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 14:53:58, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 16:09:30, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 16:17:08, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close
[2002/11/02 17:42:44, 0] smbd/dir.c:dptr_close(280)
   Invalid key 0 given to dptr_close

     I would appreciate any help.

Thanks.

Will Sun