[O] Error on opening org files

I just updated org-mode to version 7.8.09 (release_7.8.09.199.g5e4cff.dirty), and now get the following error when I try to open any .org file: Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil) org-babel-header-arg-expand()

Re: [O] Error on opening org files

Richard Stanton stan...@haas.berkeley.edu wrote: I just updated org-mode to version 7.8.09 (release_7.8.09.199.g5e4cff.dirty= ), and now get the following error when I try to open any .org file: Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)