error report

---------------------------
Subversion Exception!
---------------------------
Subversion encountered a serious problem.
Please take the time to report this on the Subversion mailing list
with as much information as possible about what
you were trying to do.
But please first search the mailing list archives for the error message
to avoid reporting the same problem repeatedly.
You can find the mailing list archives at
http://subversion.apache.org/mailing-lists.html

Subversion reported the following
(you can copy the content of this dialog
to the clipboard using Ctrl-C):

In file
  'D:\Development\SVN\Releases\TortoiseSVN-1.7.1\ext\subversion\subversion\libsvn_wc\workqueue.c'
  line 672: assertion failed (checksum != NULL)
---------------------------
OK
---------------------------

-- 
Frank Liu
Orite Group Pty Ltd
http://www.orite.com.au
e-mail: frank_at_orite.com
tel: +61(2) 8090 2030 ext. 100
fax: +61(2) 8212 9543
mob: 0414 583 962