Sometimes after wo=rking in a document with many latex formulas I get, when trying to preview a new formula I get the folowing error: ,---- | org-remove-if: Wrong type argument: number-or-marker-p, nil `---- Closing the document and re-opening fixes it for some time and then it re-occurs. Here is the backtrace: ,---- | Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil) | #[(o) "\304! Y\205.\305!\nX\205.\306!\210 \206.\307\211.\207" [o beg end removedp overlay-start overlay-end delete-overlay t] 2](#) | org-remove-if(#[(o) "\304! Y\205.\305!\nX\205.\306!\210 \206.\307\211.\207" [o beg end removedp overlay-start overlay-end delete-overlay t] 2] (# # # # # # # # # # # # # # # # # # #)) | org-remove-latex-fragment-image-overlays(6553 6802) | org-toggle-latex-fragment(nil) | funcall-interactively(org-toggle-latex-fragment nil) | call-interactively(org-toggle-latex-fragment nil nil) | command-execute(org-toggle-latex-fragment) `---- Emacs : GNU Emacs 25.0.50.1 (x86_64-apple-darwin14.5.0, NS appkit-1348.17 Version 10.10.5 (Build 14F27)) of 2015-09-29 Package: Org-mode version 8.3.2 (release_8.3.2-138-g679adc @ /Users/rainerkrug/.emacs.d/org-mode/lisp/) current state: ============== (setq org-src-lang-modes '(("plantuml" . plantuml) ("ocaml" . tuareg) ("elisp" . emacs-lisp) ("ditaa" . artist) ("asymptote" . asy) ("dot" . fundamental) ("sqlite" . sql) ("calc" . fundamental) ("C" . c) ("cpp" . c++) ...) org-hide-leading-stars t org-tab-first-hook '(org-hide-block-toggle-maybe org-babel-hide-result-toggle-maybe org-babel-header-arg-expand) org-speed-command-hook '(org-speed-command-default-hook org-babel-speed-command-hook) org-notmuch-search-open-function 'org-notmuch-search-follow-link org-ellipsis " [...]" org-occur-hook '(org-first-headline-recenter) org-src-tab-acts-natively t org-metaup-hook '(org-babel-load-in-session-maybe) org-imenu-depth 6 org-html-format-drawer-function '(lambda (name contents) contents) org-src-window-setup 'current-window org-latex-format-inlinetask-function 'org-latex-format-inlinetask-default-function org-confirm-shell-link-function 'y-or-n-p org-ascii-format-inlinetask-function 'org-ascii-format-inlinetask-default org-latex-format-headline-function 'org-latex-format-headline-default-function org-startup-indented t org-after-todo-state-change-hook '(org-clock-out-if-current) org-latex-format-drawer-function '(lambda (name contents) contents) org-from-is-user-regexp "\\" 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 '(rmk/org-mark-readonly (lambda nil (imenu-add-to-menubar "Imenu")) turn-on-org-cdlatex (lambda nil (flyspell-mode 1)) #[nil "\305.\306 >\203.\307\n\310\311#\210\307 \312\313#\210\307 \314\315#\210\306 >\203,.\307\n\316\317#\210\307\n\320\321#\210\322 >\203>.\307 \323\324#\210\307 \325\324#\210\326 >\203P.\307\n\327\317#\210\307\n\330\321#\210\331 >\203_.\332\311\f\333BC\334#\210\335 >\203k.\332\311\336\334#\210\337 >\203w.\332\311\340\334#\210\341\342\343\344\311$\210\345\342\311\"\210\342\207" [org-mouse-context-menu-function org-mouse-features org-mouse-map org-mode-map org-outline-regexp org-mouse-context-menu context-menu org-defkey [mouse-3] nil ...] 5] rmk/prettier-org-code-blocks #[nil "\300\301\302\303\304$\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 . 5)) org-archive-hook '(org-attach-archive-delete-maybe) org-ascii-format-drawer-function '(lambda (name contents width) contents) org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point org-babel-execute-safely-maybe) org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers org-cycle-show-empty-lines org-optimize-window-after-visibility-change) org-plantuml-jar-path "/Users/rainerkrug/jar/plantuml.jar" org-notmuch-open-function 'org-notmuch-follow-link org-export-before-processing-hook '(rmk/remove-lines-with-ignore-heading-tag) org-modules '(org-bbdb org-bibtex org-docview org-gnus org-info org-irc org-mhe org-rmail org-w3m org-mac-link) org-latex-packages-alist '(("" "color") ("" "listings")) org-ctrl-k-protect-subtree "ask" org-babel-tangle-lang-exts '(("latex" . "tex") ("emacs-lisp" . "el") ("elisp" . "el")) org-confirm-elisp-link-function 'yes-or-no-p org-metadown-hook '(org-babel-pop-to-session-maybe) org-babel-after-execute-hook '(rmk/update-multiple-results-blocks) org-latex-listings t org-html-format-headline-function 'org-html-format-headline-default-function org-structure-template-alist '(("n" "#+BEGIN_NOTES\n?\n#+END_NOTES") ("nb" ":PROPERTIES:\n:TITLE: And another thought... or: forgot to change the title again\n:DESCRIPTION: I should have changed that as well\n:CATEGORIES: thoughts\n:END:" "") ("le" "#+end_src \n\n#+begin_src emacs-lisp" "\n\n") ("el" "#+begin_src emacs-lisp \n ?\n#+end_src" "\n\n") ("sh" "#+begin_src sh \n ?\n#+end_src" "\n\n") ("r" "#+begin_src R ?\n\n#+end_src" "\n\n") ("s" "#+BEGIN_SRC ?\n\n#+END_SRC") ("e" "#+BEGIN_EXAMPLE\n?\n#+END_EXAMPLE") ("q" "#+BEGIN_QUOTE\n?\n#+END_QUOTE") ("v" "#+BEGIN_VERSE\n?\n#+END_VERSE") ...) org-babel-load-languages '((R . t) (latex . t) (sh . t) (plantuml . t) (emacs-lisp . t) (sqlite . t) (octave . t)) org-src-preserve-indentation t org-babel-post-tangle-hook '(org-babel-run-post-tangle-script org-babel-mark-file-as-tangled) org-html-format-inlinetask-function 'org-html-format-inlinetask-default-function org-agenda-mode-hook '(#[nil "\302.\303 \304\305#\210\303 \306\307#\210\303 \310\311#\210\303 \312\313#\210\303 \314\315#\207" [org-mouse-context-menu-function org-agenda-mode-map org-mouse-agenda-context-menu org-defkey [mouse-3] org-mouse-show-context-menu [down-mouse-3] org-mouse-move-tree-start [C-mouse-4] org-agenda-earlier ...] 4] ) org-agenda-files '("~/org/notes.org") org-clock-out-hook '(org-clock-remove-empty-clock-drawer) org-confirm-babel-evaluate nil org-publish-project-alist '(("local" :base-directory "./" :base-extension "org" :publishing-directory "./pubHTML/" :recursive t :publishing-function ...) ("EnergyBalance" :components ("EBorg" "EBatattach")) ("EBattach" :components ("EBoutput" "EBinst" "EBR" "EBfigures")) ("EBorg" :base-directory "~/Documents/Projects/EnergyBalance/" :base-extension "org" :publishing-directory "~/Documents/Projects/EnergyBalance/pubHTML/" :recursive nil :publishing-function ...) ("EBoutput" :base-directory "~/Documents/Projects/EnergyBalance/output/" :base-extension any :publishing-directory "~/Documents/Projects/EnergyBalance/pubHTML/output/" :publishing-function org-publish-attachment :recursive ...) ("EBinst" :base-directory "~/Documents/Projects/EnergyBalance/inst/" :base-extension any :publishing-directory "~/Documents/Projects/EnergyBalance/pubHTML/inst/" :publishing-function org-publish-attachment :recursive ...) ("EBR" :base-directory "~/Documents/Projects/EnergyBalance/R/" :base-extension any :publishing-directory "~/Documents/Projects/EnergyBalance/pubHTML/R/" :publishing-function org-publish-attachment :recursive ...) ("EBfigures" :base-directory "~/Documents/Projects/EnergyBalance/figures/" :base-extension any :publishing-directory "~/Documents/Projects/EnergyBalance/pubHTML/figures/" :publishing-function org-publish-attachment :recursive ...) ) ) -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Stellenbosch University South Africa Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62 59 98 Fax : +33 - (0)9 58 10 27 44 Fax (D): +49 - (0)3 21 21 25 22 44 email: Rainer@krugs.de Skype: RMkrug PGP: 0x0F52F982