I recently upgraded emacs and org-mode and now I'm getting a strange error that looks more or less identical to this old report ( https://lists.gnu.org/archive/html/emacs-orgmode/2012-02/msg00181.html), although their minimal example works for me. I have my overall setup below, but here's the setup for column view: ------------------------------------------------------------------------(setq org-columns-default-format "%60ITEM(Task) %6Effort(Estim){:} %9CLOCKSUM(Clock){:} %9CLOCKSUM_T(Today){:} %8ASSIGNED_EFFORT(Assigned){:} %8HELD_EFFORT(Held){:} %10SCHEDULED") ;Column View columns (setq org-time-clocksum-format '(:hours "%d" :require-hours t :minutes ":%02d" :require-minutes t)) ;sum in hours, not days. (setq org-agenda-columns-add-appointments-to-effort-sum t);so appointments are counted towards effort ------------------------------------------------------------------------ With a fairly basic stack of tasks like: * Tasks :LOGBOOK: CLOCK: [2012-02-03 Fri 17:02]--[2012-02-03 Fri 18:02] => 0:00 :END: ** TODO Task A :LOGBOOK: CLOCK: [2012-02-03 Fri 17:02]--[2012-02-03 Fri 18:02] => 0:00 :END: :PROPERTIES: :Effort: 0:30 :END: ** TODO Task B :PROPERTIES: :Effort: 1:00 :END: column view will work a few times and then suddenly it won't work anymore, saying: "The CLOCKSUM property can not be set with `org-entry-put" Deleting the top-level task (e.g., "Tasks") and replacing it will start the process over. ------------------------------------------------------------------------ Emacs : GNU Emacs 27.1 (build 1, x86_64-apple-darwin18.7.0, NS appkit-1671.60 Version 10.14.6 (Build 18G95)) of 2020-08-12 Package: Org mode version 9.4.4 (release_9.4.4-186-g7fa817 @ /Users/jkhartshorne/.emacs.d/straight/build/org/) current state: ============== (setq org-src-mode-hook '(org-src-babel-configure-edit-buffer org-src-mode-configure-edit-buffer) org-after-todo-state-change-hook '(org-checklist) org-agenda-tags-column -102 org-columns-default-format "%60ITEM(Task) %6Effort(Estim){:} %6CLOCKSUM(Clock){:} %6CLOCKSUM_T(Today){:} %8ASSIGNED_EFFORT(Assigned){:} %8HELD_EFFORT(Held){:} %10SCHEDULED" org-link-shell-confirm-function 'yes-or-no-p org-metadown-hook '(org-babel-pop-to-session-maybe) org-agenda-tags-todo-honor-ignore-options t org-clock-out-hook '(org-clock-remove-empty-clock-drawer bh/clock-out-maybe) org-refile-targets '((refile-targets :todo . "TODO")) org-speed-commands-user '(("0" . ignore) ("1" . ignore) ("2" . ignore) ("3" . ignore) ("4" . ignore) ("5" . ignore) ("6" . ignore) ("7" . ignore) ("8" . ignore) ("9" . ignore) ("a" . ignore) ("d" . ignore) ("h" . bh/hide-other) ("i" progn (forward-char 1) (call-interactively 'org-insert-heading-respect-content)) ("k" . org-kill-note-or-show-branches) ("l" . ignore) ("m" . ignore) ("q" . bh/show-org-agenda) ("r" . ignore) ("s" . org-save-all-org-buffers) ("w" . org-refile) ("x" . ignore) ("y" . ignore) ("z" . org-add-note) ("A" . ignore) ("B" . ignore) ("E" . ignore) ("F" . bh/restrict-to-file-or-follow) ("G" . ignore) ("H" . ignore) ("J" . org-clock-goto) ("K" . ignore) ("L" . ignore) ("M" . ignore) ("N" . bh/narrow-to-org-subtree) ("P" . bh/narrow-to-org-project) ("Q" . ignore) ("R" . ignore) ("S" . ignore) ("T" . bh/org-todo) ("U" . bh/narrow-up-one-org-level) ("V" . ignore) ("W" . bh/widen) ("X" . ignore) ("Y" . ignore) ("Z" . ignore)) org-enforce-todo-dependencies 1 org-clock-report-include-clocking-task t org-tag-alist '(("sdm" . 115) ("@BC" . 66) ("@MIT" . 77) ("@home" . 104) ("ThisTerm" . 116) ("household") ("aAI" . 97) ("aProgramming" . 112) ("aWriting" . 119) ("aBuying" . 98) ("REFILE" . 114)) org-modules '(org-bbdb org-bibtex org-docview org-gnus org-habit org-info org-irc org-mhe org-rmail org-w3m) org-blocker-hook '(org-block-todo-from-children-or-siblings-or-parent org-depend-block-todo) org-mode-hook '(org-clock-load (lambda nil (define-key org-mode-map (kbd "C-c C-x l") 'org-mac-grab-link)) (lambda nil (run-hooks 'prelude-org-mode-hook)) #[0 "\300\301\302\303\304$\207" [add-hook change-major-mode-hook org-show-all append local] 5] #[0 "\300\301\302\303\304$\207" [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-clock-persist t org-yank-adjusted-subtrees t org-outline-path-complete-in-steps nil org-archive-hook '(org-attach-archive-delete-maybe) org-confirm-elisp-link-function 'yes-or-no-p org-startup-indented 1 org-clock-history-length 23 org-agenda-skip-timestamp-if-done t org-agenda-before-write-hook '(org-agenda-add-entry-text) org-metaup-hook '(org-babel-load-in-session-maybe) org-babel-pre-tangle-hook '(save-buffer) org-tab-first-hook '(org-babel-hide-result-toggle-maybe org-babel-header-arg-expand) org-agenda-time-grid '((daily today remove-match) (900 1100 1300 1500 1700) " " "................") org-log-done t org-clock-in-resume t org-checklist-export-function 'org-export-as-ascii org-habit-following-days 1 org-trigger-hook '(jkh/org-effort-to-hold jkh/org-effort-to-assigned org-depend-trigger-todo) org-agenda-loop-over-headlines-in-active-region nil org-agenda-cmp-user-defined 'bh/agenda-sort org-catch-invisible-edits "show" org-occur-hook '(org-first-headline-recenter) org-agenda-mode-hook '((lambda nil (org-defkey org-agenda-mode-map "W" (lambda nil (interactive) (setq bh/hide-scheduled-and-waiting-next-tasks t) (bh/widen))) ) (lambda nil (org-defkey org-agenda-mode-map "F" 'bh/restrict-to-file-or-follow)) (lambda nil (org-defkey org-agenda-mode-map "N" 'bh/narrow-to-subtree)) (lambda nil (org-defkey org-agenda-mode-map "U" 'bh/narrow-up-one-level)) (lambda nil (org-defkey org-agenda-mode-map "P" 'bh/narrow-to-project)) (lambda nil (org-defkey org-agenda-mode-map "V" 'bh/view-next-project))) org-log-into-drawer "LOGBOOK" org-todo-state-tags-triggers '(("CANCELLED" ("CANCELLED" . t)) ("WAITING" ("WAITING" . t)) ("ASSIGNED" ("ASSIGNED" . t)) ("HOLD" ("WAITING") ("HOLD" . t)) (done ("WAITING") ("HOLD")) ("TODO" ("WAITING") ("CANCELLED") ("HOLD") ("ASSIGNED")) ("DONE" ("WAITING") ("CANCELLED") ("HOLD"))) org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers org-cycle-show-empty-lines org-optimize-window-after-visibility-change) org-todo-keywords '((sequence "TODO(t)" "ASSIGNED(a@/!)" "HOLD(h)" "|" "DONE(d)") (sequence "WAITING(w@/!)" "|" "CANCELLED(c@/!)")) org-speed-command-hook '(org-speed-command-activate org-babel-speed-command-activate) org-habit-graph-column 50 org-refile-allow-creating-parent-nodes 'confirm org-refile-use-outline-path t org-export-before-parsing-hook '(org-attach-expand-links) org-confirm-shell-link-function 'yes-or-no-p org-stuck-projects '("" nil nil "") org-link-parameters '(("attachment" :follow org-attach-follow :complete org-attach-complete-link) ("id" :follow org-id-open) ("message" :follow org-mac-message-open :export nil) ("x-devonthink-item" :follow org-devonthink-item-open :export nil) ("mac-outlook" :follow org-mac-outlook-message-open :export nil) ("skim" :follow org-mac-skim-open :export nil) ("addressbook" :follow org-mac-addressbook-item-open :export nil) ("x-together-item" :follow org-mac-together-item-open :export nil) ("file+sys") ("file+emacs") ("shell" :follow org-link--open-shell) ("news" :follow #[514 "\301\300\302 Q \"\207" ["news" browse-url ":"] 6 "\n\n(fn URL ARG)"]) ("mailto" :follow #[514 "\301\300\302 Q \"\207" ["mailto" browse-url ":"] 6 "\n\n(fn URL ARG)"]) ("https" :follow #[514 "\301\300\302 Q \"\207" ["https" browse-url ":"] 6 "\n\n(fn URL ARG)"]) ("http" :follow #[514 "\301\300\302 Q \"\207" ["http" browse-url ":"] 6 "\n\n(fn URL ARG)"]) ("ftp" :follow #[514 "\301\300\302 Q \"\207" ["ftp" browse-url ":"] 6 "\n\n(fn URL ARG)"]) ("help" :follow org-link--open-help) ("file" :complete org-link-complete-file) ("elisp" :follow org-link--open-elisp) ("doi" :follow org-link--open-doi)) org-agenda-skip-scheduled-if-done t org-capture-templates '(("t" "todo" entry (file+headline org-default-notes-file "Tasks") "* TODO %^{Effort}p %?\n:LOGBOOK:\nCAPTURE_DATE: %U\n:END:" :prepend t) ("T" "Todo with paste" entry (file+headline org-default-notes-file "Tasks") "* TODO %^{prompt||%i|%c|%x} %^{Effort}p %?\n:LOGBOOK:\nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("l" "Todo with link to current loc" entry (file+headline org-default-notes-file "Tasks") "* TODO %^{Effort}p %?\n %a\n:LOGBOOK:\nCAPTURE_DATE: %U\n:END:" :prepend t) ("m" "Meeting" entry (file+headline org-default-notes-file "Meetings") "* %? :Meeting:Notes:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("M" "Meeting with paste" entry (file+headline org-default-notes-file "Meetings") "* %^{prompt||%i|%c|%x} %? :Meeting:Notes:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend) ("p" "Presentation" entry (file+headline org-default-notes-file "Presentations") "* %? :Presentation:Notes:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("P" "Presentation with paste" entry (file+headline org-default-notes-file "Presentations") "* %^{prompt||%i|%c|%x} %? :Presentation:Notes:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("s" "Socializing at Work" entry (file+headline org-default-journal-file "Socializing at Work") "* %? \n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("i" "Interruption" entry (file+headline org-default-notes-file "Interruptions") "* %? :Interruption:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("b" "Breaks") ("bb" "Bathroom Break" entry (file+headline org-default-journal-file "Bathroom Breaks") "* Bathroom %? :Break:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("bd" "Drink/Snack Break" entry (file+headline org-default-journal-file "Drink/Snack Breaks") "* drink or snack %? :Break:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("bt" "Travel Break" entry (file+headline org-default-journal-file "Travel Breaks") "* Some travel %? :Break:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("bg" "Generic Break" entry (file+headline org-default-journal-file "Other Breaks") "* Generic break %? :Break:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("bm" "Meal Break" entry (file+headline org-default-journal-file "Meal Breaks") "* A meal %? :Break:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("c" "Chores" entry (file+headline org-default-journal-file "Household Chores") "* Chores %? :Household:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :clock-in t :clock-resume t :prepend t) ("r" "To read" entry (file+headline org-default-notes-file "Tasks") "* TODO %? :aReading:\n:LOGBOOK: \nCAPTURE_DATE: %U\n:END:" :prepend t) ) org-link-elisp-confirm-function 'yes-or-no-p org-todo-keyword-faces '(("TODO" :foreground "red" :weight bold) ("DONE" :foreground "light slate grey" :weight bold :strike-through t) ("WAITING" :foreground "orange" :weight bold) ("ASSIGNED" :foreground "orange" :weight bold) ("HOLD" :foreground "orange" :weight bold) ("SCHEDULED" :foreground "orange" :weight bold) ("CANCELLED" :foreground "light slate grey" :weight bold :strike-through t)) org-habit-preceding-days 70 org-agenda-columns-add-appointments-to-effort-sum t org-agenda-compact-blocks t org-agenda-dim-blocked-tasks nil org-clock-out-remove-zero-time-clocks t org-agenda-custom-commands '((" " "Agenda" agenda "" ((org-agenda-ndays 10) (org-deadline-warning-days 10) (org-agenda-compact-blocks t) (org-agenda-repeating-timestamp-show-all t) (org-agenda-files '("~/Documents/orgmode/todo.org" "~/Documents/orgmode/ home.org"))) ) ("c" "Captured" ((tags-todo "REFILE" ((org-agenda-overriding-header "Task") (org-agenda-files '("~/Documents/orgmode/notes.org")))) (tags "+REFILE+Meeting" ((org-agenda-overriding-header "Meetings") (org-agenda-files '("~/Documents/orgmode/notes.org")))) (tags "+REFILE+Presentation" ((org-agenda-overriding-header "Presentations") (org-agenda-files '("~/Documents/orgmode/notes.org"))) ) (tags "+REFILE+Interruption" ((org-agenda-overriding-header "Interruptions") (org-agenda-files '("~/Documents/orgmode/notes.org"))) ) ) ) ("h" "Habits" tags-todo "STYLE=\"habit\"" ((org-agenda-overriding-header "Habits") (org-agenda-sorting-strategy '(todo-state-down effort-up category-keep)) (org-agenda-files '("~/Documents/orgmode/todo.org" "~/Documents/orgmode/ home.org"))) ) ("w" . "work") ("w " "Agenda" agenda "" ((org-agenda-ndays 10) (org-deadline-warning-days 10) (org-agenda-compact-blocks t) (org-agenda-repeating-timestamp-show-all t) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ("wa" . "assigned to someone") ("wam" "Jesse Mu" ((tags-todo "pMu+ASSIGNED" ((org-agenda-overriding-header "Jesse Mu") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("war" "Jonathan Ravid" ((tags-todo "pRavid+ASSIGNED" ((org-agenda-overriding-header "Jon Ravid") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("was" "Lauren Skorb" ((tags-todo "pSkorb+ASSIGNED" ((org-tags-match-list-sublevels nil) (org-agenda-overriding-header "Lauren Skorb") (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("wp" . "Priorities") ("wpw" "Priorities for week" ((tags-todo "PRIORITY=\"A\"" ((org-agenda-overriding-header "Priorities for week (work)") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("wpm" "Priorities for month" ((tags-todo "PRIORITY={A\\|C}" ((org-agenda-overriding-header "Priorities for month (work)") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("wpt" "Priorities for the term" ((tags-todo "+ThisTerm" ((org-agenda-overriding-header "Priorities for this term - (work)") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("wpa" "All unscheduled priority items" ((tags-todo "PRIORITY=\"A\"" ((org-agenda-overriding-header "Unscheduled priorities for week") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) (tags-todo "PRIORITY={A\\|C}" ((org-agenda-overriding-header "Unscheduled priorities for month") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) (tags-todo "+ThisTerm" ((org-agenda-overriding-header "Unscheduled priorities for this term") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) ((org-agenda-todo-ignore-scheduled 'future))) ("wd" "Upcoming deadlines next 30 days" agenda "" ((org-agenda-time-grid nil) (org-agenda-ndays 1) (org-deadline-warning-days 30) (org-agenda-entry-types '(:deadline)) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ("ww" "Waiting or Assigned" ((tags-todo "WAITING" ((org-agenda-overriding-header "Waiting") (org-tags-match-list-sublevels nil) (org-agenda-todo-ignore-scheduled 'future) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) (tags-todo "ASSIGNED" ((org-agenda-overriding-header "ASSIGNED") (org-tags-match-list-sublevels nil) (org-agenda-todo-ignore-scheduled 'future) (org-agenda-files '("~/Documents/orgmode/todo.org"))) ) ) nil) ("l" . "life") ("l " "Agenda" agenda "" ((org-agenda-ndays 10) (org-deadline-warning-days 10) (org-agenda-compact-blocks t) (org-agenda-repeating-timestamp-show-all t) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ("lp" . "Priorities") ("lpw" "Priorities for week" ((tags-todo "PRIORITY=\"A\"" ((org-agenda-overriding-header "Priorities for week") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ) nil) ("lpm" "Priorities for month" ((tags-todo "PRIORITY={A\\|C}" ((org-agenda-overriding-header "Priorities for month (work)") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ) nil) ("lpt" "Priorities for the term" ((tags-todo "ThisTerm" ((org-agenda-overriding-header "Priorities for this term - (work)") (org-agenda-prefix-format "[%(my-org-effort-sum-current-item-in-state \"TODO\")] ") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ) nil) ("lpa" "All unscheduled priority items" ((tags-todo "PRIORITY=\"A\"" ((org-agenda-overriding-header "Unscheduled priorities for week") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) (tags-todo "PRIORITY={A\\|C}" ((org-agenda-overriding-header "Unscheduled priorities for month") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) (tags-todo "+ThisTerm" ((org-agenda-overriding-header "Unscheduled priorities for this term") (org-tags-match-list-sublevels nil) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ) ((org-agenda-todo-ignore-scheduled 'future))) ("ld" "Upcoming deadlines next 30 days" agenda "" ((org-agenda-time-grid nil) (org-agenda-ndays 1) (org-deadline-warning-days 30) (org-agenda-entry-types '(:deadline)) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ("lw" "Waiting or Assigned" ((tags-todo "WAITING" ((org-agenda-overriding-header "Waiting") (org-tags-match-list-sublevels nil) (org-agenda-todo-ignore-scheduled 'future) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) (tags-todo "ASSIGNED" ((org-agenda-overriding-header "ASSIGNED") (org-tags-match-list-sublevels nil) (org-agenda-todo-ignore-scheduled 'future) (org-agenda-files '("~/Documents/orgmode/home.org"))) ) ) nil) ("f" "Friends and colleagues" agenda "" ((org-agenda-time-grid nil) (org-agenda-ndays 1) (org-deadline-warning-days 30) (org-agenda-sorting-strategy '(tag-up scheduled-up)) (org-agenda-entry-types '(:scheduled)) (org-agenda-files '("~/Documents/orgmode/hangingout.org"))) ) ) org-agenda-sorting-strategy '((agenda habit-down time-up user-defined-up effort-up category-keep) (todo category-up effort-up) (tags category-up effort-up) (search category-up)) org-use-speed-commands t org-agenda-skip-deadline-if-done t org-default-notes-file "~/Documents/orgmode/notes.org" org-clock-persist-query-resume nil )