Oh and here is backtrace, the auto-generated email was so long I just thought it would be in there:
http://fpaste.org/103119/40051358/Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil)
buffer-substring-no-properties(nil 9745)
he-init-string(nil 9745)
try-expand-line(nil)
apply(try-expand-line nil)
hippie-expand(nil)
call-interactively(hippie-expand record nil)
command-execute(hippie-expand record)
execute-extended-command(nil "hippie-expand")
call-interactively(execute-extended-command nil nil)