Bug: babel load error [8.3.1 (8.3.1-16-gf6aa53-elpaplus @ /Users/chromiak/.emacs.d/elpa/org-plus-contrib-20150810/)]

["Chromiak, Walter" <chromiak@dickinson.edu>]

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-------------------------------------------    -----------------------------
I get the following error since updating my emacs and org mode

Error setting org-babel-load-languages: (void-variable org-babel-safe-header-args)

The error means I can't do babel. But if I use C-u M-x org-reload I can
then run babel commands.

Emacs  : GNU Emacs 24.5.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21)
of 2015-04-10 on builder10-9.porkrind.org
Package: Org-mode version 8.3.1 (8.3.1-16-gf6aa53-elpaplus @ /Users/chromiak/.emacs.d/elpa/org-plus-contrib-20150810/)

current state:
==============
(setq
org-src-lang-modes '(("ocaml" . tuareg) ("elisp" . emacs-lisp) ("ditaa" . artist) ("asymptote" . asy)
		      ("dot" . fundamental) ("sqlite" . sql) ("calc" . fundamental) ("C" . c) ("cpp" . c++)
		      ("C++" . c++) ("screen" . shell-script))
org-tab-first-hook '(org-hide-block-toggle-maybe org-src-native-tab-command-maybe
		      org-babel-hide-result-toggle-maybe org-babel-header-arg-expand)
org-sparse-tree-default-date-type 'scheduled-or-deadline
org-latex-default-packages-alist '(("AUTO" "inputenc" t) ("T1" "fontenc" t) ("" "fixltx2e" nil)
				    ("" "graphicx" t) ("" "longtable" nil) ("" "float" nil) ("" "wrapfig" nil)
				    ("" "rotating" nil) ("normalem" "ulem" t) ("" "amsmath" t) ("" "textcomp" t)
				    ("" "marvosym" t) ("" "wasysym" t) ("" "amssymb" t) ("" "hyperref" nil)
				    "\\tolerance=1000")
org-speed-command-hook '(org-speed-command-default-hook org-babel-speed-command-hook)
org-occur-hook '(org-first-headline-recenter)
org-metaup-hook '(org-babel-load-in-session-maybe)
org-confirm-shell-link-function 'yes-or-no-p
org-finalize-agenda-hook '(org-agenda-to-appt)
org-todo-keyword-faces '(("TODO" :foreground "red" :weight bold) ("NEXT" :foreground "blue" :weight bold)
			  ("DONE" :foreground "forest green" :weight bold)
			  ("WAITING" :foreground "orange" :weight bold)
			  ("HOLD" :foreground "magenta" :weight bold)
			  ("CANCELLED" :foreground "forest green" :weight bold))
org-agenda-include-diary t
org-startup-indented t
org-after-todo-state-change-hook '(org-clock-out-if-current)
org-src-mode-hook '(org-src-babel-configure-edit-buffer org-src-mode-configure-edit-buffer)
org-agenda-before-write-hook '(org-agenda-add-entry-text)
org-babel-pre-tangle-hook '(save-buffer)
org-mode-hook '((lambda nil
		  (org-add-hook (quote change-major-mode-hook) (quote org-show-block-all) (quote append)
		   (quote local))
		  )
		 (lambda nil
		  (org-add-hook (quote change-major-mode-hook) (quote org-babel-show-result-all) (quote append)
		   (quote local))
		  )
		 org-eldoc-load
		 #[nil "\300\301\302\303\304$\207"
		   [org-add-hook change-major-mode-hook org-show-block-all append local] 5]
		 #[nil "\300\301\302\303\304$\207"
		   [org-add-hook change-major-mode-hook org-babel-show-result-all append local] 5]
		 org-babel-result-hide-spec org-babel-hide-all-hashes)
org-refile-targets '((nil :maxlevel . 9) (org-agenda-files :maxlevel . 9))
org-goto-auto-isearch nil
org-outline-path-complete-in-steps nil
org-archive-hook '(org-attach-archive-delete-maybe)
org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point org-babel-execute-safely-maybe)
org-refile-use-outline-path t
org-directory "~/Dropbox/Wiki/Org"
org-enforce-todo-dependencies t
org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers org-cycle-hide-inline-tasks
		  org-cycle-show-empty-lines org-optimize-window-after-visibility-change)
org-agenda-finalize-hook '(org-agenda-to-appt)
org-refile-allow-creating-parent-nodes 'confirm
org-modules '(org-bbdb org-bibtex org-docview org-gnus org-habit org-info org-learn org-mac-link org-man org-toc
	       org-velocity org-mew org-mhe org-rmail org-vm org-wl org-w3m)
org-agenda-span 14
org-babel-process-comment-text 'org-babel-trim
org-babel-tangle-lang-exts '(("latex" . "tex") ("awk" . "awk") ("emacs-lisp" . "el"))
org-confirm-elisp-link-function 'yes-or-no-p
org-metadown-hook '(org-babel-pop-to-session-maybe)
org-effort-durations '(("h" . 60) ("d" . 480) ("w" . 2400) ("m" . 9600) ("y" . 96000))
org-blocker-hook '(org-block-todo-from-children-or-siblings-or-parent)
org-structure-template-alist '(("s" "#+BEGIN_SRC ?\n\n#+END_SRC" "<src lang=\"?\">\n\n</src>")
				("e" "#+BEGIN_EXAMPLE\n?\n#+END_EXAMPLE" "<example>\n?\n</example>")
				("q" "#+BEGIN_QUOTE\n?\n#+END_QUOTE" "<quote>\n?\n</quote>")
				("v" "#+BEGIN_VERSE\n?\n#+END_VERSE" "<verse>\n?\n</verse>")
				("V" "#+BEGIN_VERBATIM\n?\n#+END_VERBATIM" "<verbatim>\n?\n</verbatim>")
				("c" "#+BEGIN_CENTER\n?\n#+END_CENTER" "<center>\n?\n</center>")
				("l" "#+BEGIN_LaTeX\n?\n#+END_LaTeX" "<literal style=\"latex\">\n?\n</literal>")
				("L" "#+LaTeX: " "<literal style=\"latex\">?</literal>")
				("h" "#+BEGIN_HTML\n?\n#+END_HTML" "<literal style=\"html\">\n?\n</literal>")
				("H" "#+HTML: " "<literal style=\"html\">?</literal>")
				("a" "#+BEGIN_ASCII\n?\n#+END_ASCII" "") ("A" "#+ASCII: " "")
				("i" "#+INDEX: ?" "#+INDEX: ?")
				("I" "#+INCLUDE: %file ?" "<include file=%file markup=\"?\">"))
org-completion-use-ido t
org-indirect-buffer-display 'current-window
org-babel-load-languages '((awk . t) (latex . t) (ditaa . t) (gnuplot . t) (shell . t) (R . t) (emacs-lisp . t))
org-habit-graph-column 50
org-clock-out-hook '(org-clock-remove-empty-clock-drawer)
org-src-fontify-natively nil
)


-- Walt