You have bumped into a known issue [1], which is fixed in svn 1.6.6. So upgrading to TortoiseSVN 1.6.6 should help.
[1] http://subversion.tigris.org/issues/show_bug.cgi?id=3485 Regards, Johan On Fri, Jan 8, 2010 at 8:22 PM, Razmik Shahinian <raz...@biodiscovery.com> wrote: > in file > TortoiseSVN-1.6.3\ext\subversion\libsvn_ra_svn\marshal.c > line 486: assertion failed(opt||cstr) >