[bug] changing TODO status with org-after-todo-state-change-hook defined fails

[Eric S Fraga <e.fraga@ucl.ac.uk>]

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Hello,

All of a sudden, changing the TODO status (=org-todo=) from anything to
WAIT is failing with:

: Error in post-command-hook (org-add-log-note): (error "Can't expand minibuffer to full frame")

and ends up asking for a date and time and inserts new SCHEDULED
information.  My TODO sequence is:

: org-todo-keywords '((sequence "TODO(t)" "INPR(i@/!)" "WAIT(w@/!)" "|" "DONE(d@/!)" "XXXX(x@)" "POST(p!)"))

I have the following hook defined:

#+begin_src emacs-lisp
(add-hook 'org-after-todo-state-change-hook
	  '(lambda ()
	     ;; remove the scheduled date/time if present as the activity is no longer mine
	     ;; based on a suggestion by Manish on the org-mode mailing list
	     (if (string= org-state "WAIT") (org-schedule t))))
#+end_src

This used to work in that it would remove any SCHEDULED entry in the
item.  Now not only does it not remove the SCHEDULED information, it
prompts for a date+time after the error message above.  No log note is
requested.  It also seems to delete some text after the logbook drawer
in some cases.

I simply do not understand what is happening!  With emacs -Q and only
the two settings above (i.e. not the rest of my org customisation), the
problem arises.  If I don't have the hook, there is no
problem.  Attached is my simple test file.  The log notes indicated I
was successful in changing from TODO to WAIT before I defined the
hook.  I then switched to TODO and tried to then switch back to
WAIT.  The logging of the latter failed.

I note that nothing appears to have changed in org-schedule recently.

Any suggestions (other than remove the hook ;-)?

Thanks,
eric

-- 
: Eric S Fraga, GnuPG: 0xC89193D8FFFCF67D
: in Emacs 24.3.50.1 and Org release_7.9.3f-1315-g25b5ab

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#+TITLE:     examplebug.org
#+AUTHOR:    Eric S Fraga
#+options: toc:nil num:nil
#+TODO: TODO(t) INPR(i@/!) WAIT(w@/!) | DONE(d@/!) XXXX(x@) POST(p!)

* WAIT first test
  SCHEDULED: <2013-03-01 Fri>
  - State "TODO"       from "WAIT"       [2013-03-01 Fri 14:41]
  - State "WAIT"       from "TODO"       [2013-03-01 Fri 14:41] \\
    this works as I do not have the hook defined

  Something I need to do.