DEBUG: ss DIR "$/" -R -I- **** BUILDING VSS HISTORY **** ENTERING PROJECT $/... ENTERING PROJECT $//nthd... DEBUG: ss PROPERTIES "$//nthd/cl-wrapper.py" -R- -I- DEBUG: ss FILETYPE "$//nthd/cl-wrapper.py" -I- DEBUG: ss HISTORY "$//nthd/cl-wrapper.py" -O@D:/temp/_vss2svn/tmpfile/file_history.txt -I- file_history(): internal consistency failure DEBUG:(0) DEBUG:(0)<> DEBUG:(0)<***************** Version 1 *****************> DEBUG:(1) Died at vss2svn.pl line 185 (#1) (F) You passed die() an empty string (the equivalent of die "") or you called it with no args and both $@ and $_ were empty.