[BUG] New error: (void-function org-url-p) when exporting to LaTeX [9.4.6 (9.4.6-gc5573b @ /Users/stanton/.emacs.d/straight/build/org/)]

[Richard Stanton]

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Everything worked fine until yesterday, but today when I try to export an org file that contains the line

#+SETUPFILE: https://fniessen.github.io/org-html-themes/org/theme-readtheorg.setup

I get the following error:

Debugger entered--Lisp error: (void-function org-url-p)

  org-url-p("https://fniessen.github.io/org-html-themes/org/the...")

  org--collect-keywords-1(("SETUPFILE" "FILETAGS" "TAGS" "ARCHIVE" "CATEGORY" "COLUMNS" "CONSTANTS" "LINK" "OPTIONS" "PRIORITIES" "PROPERTY" "SEQ_TODO" "STARTUP" "TODO" "TYP_TODO") ("ARCHIVE" "CATEGORY" "COLUMNS" "PRIORITIES") nil nil nil)

  org-collect-keywords(("FILETAGS" "TAGS" "ARCHIVE" "CATEGORY" "COLUMNS" "CONSTANTS" "LINK" "OPTIONS" "PRIORITIES" "PROPERTY" "SEQ_TODO" "STARTUP" "TODO" "TYP_TODO") ("ARCHIVE" "CATEGORY" "COLUMNS" "PRIORITIES"))

  org-set-regexps-and-options()

  org-mode()

  org-export--prepare-file-contents("/Users/stanton/.org/setup" nil 0 1 1 #<hash-table equal 0/65 0x1fe65e6c9285> "/Users/stanton/teaching/MFE230I/mfe230i.org")

  org-export-expand-include-keyword()

  org-export-as(latex nil nil nil (:output-file "mfe230i.tex"))

  org-export-to-file(latex "mfe230i.tex" nil nil nil nil nil #f(compiled-function (file) #<bytecode 0x1fe65e28d06d>))

  org-latex-export-to-pdf(nil nil nil nil)

  org-export-dispatch(nil)

  funcall-interactively(org-export-dispatch nil)

  call-interactively(org-export-dispatch nil nil)

  command-execute(org-export-dispatch)

Thanks for any suggestions.

Emacs  : GNU Emacs 27.2 (build 1, x86_64-apple-darwin20.3.0, Carbon Version 164 AppKit 2022.3)

 of 2021-04-06

Package: Org mode version 9.4.6 (9.4.6-gc5573b @ /Users/stanton/.emacs.d/straight/build/org/)