Re: [O] undefined symbol 'org-export-create-backend' when calling org-plot/gnuplot

[Nick Dokos]

Dave Marquardt <address@hidden> writes:

> I attempted to plot a table after installing the 20150928 ELPA package,
> and got
>
> Debugger entered--Lisp error: (void-function org-export-create-backend)
>   org-export-create-backend(:parent org :transcoders ((table lambda
> (table contents info) (concat nil contents nil)) (table-row lambda
> (row contents info) (if (eq (org-element-property :type row) (quote
> rule)) nil (let ((headerp (org-export-table-row-in-header-p row info))
> (lastp (not (org-export-get-next-element row info))) (last-header-p
> (org-export-table-row-ends-header-p row info))) (when contents (cond
> nil nil nil (t (concat ...))))))) (table-cell lambda (cell contents
> info) (let ((headerp (org-export-table-row-in-header-p
> (org-export-get-parent-element cell) info)) (column (1+ (cdr
> (org-export-table-cell-address cell info))))) nil (when contents nil
> (cond nil (t (setq contents (funcall ... contents))))) (if (or nil
> (plist-get info :orgtbl-ignore-sep) (not (org-export-get-next-element
>   cell info))) contents (concat contents "    ")))) (macro lambda (m c i) 
> (org-element-macro-interpreter m nil))))
>   orgtbl-to-generic((("*Total time*" "*4:11*" "" "100.0") ("Time"
> "4:11" "" "100.0") ("CMVC" "" "0:21" "8.4") ("Connections" "" "0:23"
> "9.2") ("DAT" "" "0:02" "0.8") ("Defects" "" "1:24" "33.5")
> ("developerWorks" "" "0:02" "0.8") ("Mail" "" "0:39" "15.5") ("RDS" ""
> "0:06" "2.4") ("SDB" "" "0:01" "0.4") ("SDN" "" "0:01" "0.4") ("SMC-R"
> "" "0:01" "0.4") ("Startup" "" "0:27" "10.8") ("TCP" "" "0:02" "0.8")
> ("Team" "" "0:42" "16.7")) (:sep " " :fmt org-plot-quote-tsv-field
> :plot-type 2d :with histograms :ind 1 :labels ("Headline" "Time" ""
> "%") :set ("style fill solid") :deps (4)))
>   org-plot/gnuplot-to-data((("*Total time*" "*4:11*" "" "100.0")
> ("Time" "4:11" "" "100.0") ("CMVC" "" "0:21" "8.4") ("Connections" ""
> "0:23" "9.2") ("DAT" "" "0:02" "0.8") ("Defects" "" "1:24" "33.5")
> ("developerWorks" "" "0:02" "0.8") ("Mail" "" "0:39" "15.5") ("RDS" ""
> "0:06" "2.4") ("SDB" "" "0:01" "0.4") ("SDN" "" "0:01" "0.4") ("SMC-R"
> "" "0:01" "0.4") ("Startup" "" "0:27" "10.8") ("TCP" "" "0:02" "0.8")
> ("Team" "" "0:42" "16.7")) "/tmp/org-plot18132EYn" (:plot-type 2d
> :with histograms :ind 1 :labels ("Headline" "Time" "" "%") :set
> ("style fill solid") :deps (4)))
>   org-plot/gnuplot()
>   call-interactively(org-plot/gnuplot record nil)
>   command-execute(org-plot/gnuplot record)
>   execute-extended-command(nil "org-plot/gnuplot")
>   call-interactively(execute-extended-command nil nil)
>
> org-table.el has a declare-function call that points to a "org-export"
> file, but I don't find such a file in either the code installed by ELPA
> or the daily snapshot:
>
> (declare-function org-export-create-backend "org-export" (&rest rest))
>
> Calling org-plot/gnuplot worked last week, before I upgraded to 20150928.
>
> -Dave

This sounds like a mixed installation: different versions of org
installed and you are picking up bits from both of them.
Search the list for "mixed installation", e.g. check out

http://thread.gmane.org/gmane.emacs.orgmode/68240/focus=68265

and the link therein:

http://orgmode.org/worg/org-faq.html#mixed-install


Nick