Remember to cover the basics, that is, what you expected to happen and
what in fact did happen.  You don't know how to make a good report?  See

     http://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org-mode mailing list.
------------------------------------------------------------------------

I updated the org mode from the org repository, version 20160425,
including org-plus-contrib.  The prior version didn't throw this error.
I've deleted and re-byte compiled the ox-latex.el file, to no avail.

The debug-init gives me:

Debugger entered--Lisp error: (invalid-read-syntax ") or . in a vector")
  read(get-file-char)
  require(ox)
  byte-code("\300\301!\210\300\302!\210\303\304\305\306\307\310\311\312\313\314\315&\n\207" [require ox ox-publish org-export-define-backend latex ((bold . org-latex-bold) (center-block . org-latex-center-block) (clock . org-latex-clock) (code . org-latex-code) (drawer . org-latex-drawer) (dynamic-block . org-latex-dynamic-block) (entity . org-latex-entity) (example-block . org-latex-example-block) (export-block . org-latex-export-block) (export-snippet . org-latex-export-snippet) (fixed-width . org-latex-fixed-width) (footnote-definition . org-latex-footnote-definition) (footnote-reference . org-latex-footnote-reference) (headline . org-latex-headline) (horizontal-rule . org-latex-horizontal-rule) (inline-src-block . org-latex-inline-src-block) (inlinetask . org-latex-inlinetask) (italic . org-latex-italic) (item . org-latex-item) (keyword . org-latex-keyword) (latex-environment . org-latex-latex-environment) (latex-fragment . org-latex-latex-fragment) (line-break . org-latex-line-break) (link . org-latex-link) (node-property . org-latex-node-property) (paragraph . org-latex-paragraph) (plain-list . org-latex-plain-list) (plain-text . org-latex-plain-text) (planning . org-latex-planning) (property-drawer . org-latex-property-drawer) (quote-block . org-latex-quote-block) (radio-target . org-latex-radio-target) (section . org-latex-section) (special-block . org-latex-special-block) (src-block . org-latex-src-block) (statistics-cookie . org-latex-statistics-cookie) (strike-through . org-latex-strike-through) (subscript . org-latex-subscript) (superscript . org-latex-superscript) (table . org-latex-table) (table-cell . org-latex-table-cell) (table-row . org-latex-table-row) (target . org-latex-target) (template . org-latex-template) (timestamp . org-latex-timestamp) (underline . org-latex-underline) (verbatim . org-latex-verbatim) (verse-block . org-latex-verse-block) (latex-math-block . org-latex-math-block) (latex-matrices . org-latex-matrices)) :export-block ("LATEX" "TEX") :menu-entry (108 "Export to LaTeX" ((76 "As LaTeX buffer" org-latex-export-as-latex) (108 "As LaTeX file" org-latex-export-to-latex) (112 "As PDF file" org-latex-export-to-pdf) (111 "As PDF file and open" (lambda (a s v b) (if a (org-latex-export-to-pdf t s v b) (org-open-file (org-latex-export-to-pdf nil s v b))))))) :filters-alist ((:filter-options . org-latex-math-block-options-filter) (:filter-parse-tree org-latex-math-block-tree-filter org-latex-matrices-tree-filter)) :options-alist ((:latex-class "LATEX_CLASS" nil org-latex-default-class t) (:latex-class-options "LATEX_CLASS_OPTIONS" nil nil t) (:latex-header "LATEX_HEADER" nil nil newline) (:latex-header-extra "LATEX_HEADER_EXTRA" nil nil newline) (:description "DESCRIPTION" nil nil parse) (:keywords "KEYWORDS" nil nil parse) (:subtitle "SUBTITLE" nil nil parse) (:latex-active-timestamp-format nil nil org-latex-active-timestamp-format) (:latex-caption-above nil nil org-latex-caption-above) (:latex-classes nil nil org-latex-classes) (:latex-default-figure-position nil nil org-latex-default-figure-position) (:latex-default-table-environment nil nil org-latex-default-table-environment) (:latex-default-table-mode nil nil org-latex-default-table-mode) (:latex-diary-timestamp-format nil nil org-latex-diary-timestamp-format) (:latex-footnote-separator nil nil org-latex-footnote-separator) (:latex-format-drawer-function nil nil org-latex-format-drawer-function) (:latex-format-headline-function nil nil org-latex-format-headline-function) (:latex-format-inlinetask-function nil nil org-latex-format-inlinetask-function) (:latex-hyperref-template nil nil org-latex-hyperref-template t) (:latex-image-default-height nil nil org-latex-image-default-height) (:latex-image-default-option nil nil org-latex-image-default-option) (:latex-image-default-width nil nil org-latex-image-default-width) (:latex-inactive-timestamp-format nil nil org-latex-inactive-timestamp-format) (:latex-inline-image-rules nil nil org-latex-inline-image-rules) (:latex-link-with-unknown-path-format nil nil org-latex-link-with-unknown-path-format) (:latex-listings nil nil org-latex-listings) (:latex-listings-langs nil nil org-latex-listings-langs) (:latex-listings-options nil nil org-latex-listings-options) (:latex-minted-langs nil nil org-latex-minted-langs) (:latex-minted-options nil nil org-latex-minted-options) (:latex-prefer-user-labels nil nil org-latex-prefer-user-labels) (:latex-subtitle-format nil nil org-latex-subtitle-format) (:latex-subtitle-separate nil nil org-latex-subtitle-separate) (:latex-table-scientific-notation nil nil org-latex-table-scientific-notation) (:latex-tables-booktabs nil nil org-latex-tables-booktabs) (:latex-tables-centered nil nil org-latex-tables-centered) (:latex-text-markup-alist nil nil org-latex-text-markup-alist) (:latex-title-command nil nil org-latex-title-command) (:latex-toc-command nil nil org-latex-toc-command) (:date "DATE" nil "\\today" parse))] 11)
  require(ox-latex)
  eval-buffer(#<buffer  *load*> nil "c:/Users/sway/AppData/Roaming/.emacs" nil t)  ; Reading at buffer position 9654
  load-with-code-conversion("c:/Users/sway/AppData/Roaming/.emacs" "c:/Users/sway/AppData/Roaming/.emacs" t t)
  load("~/.emacs" t t)
  #[0 "\205\266


Any thoughts or suggestions?


Shawn Way

Emacs  : GNU Emacs 25.0.91.1 (x86_64-w64-mingw32)
of 2016-02-14
Package: Org-mode version 8.3.4 (8.3.4-42-gae73c7-elpa @ c:/Users/sway/AppData/Roaming/.emacs.d/elpa/org-20160425/)

current state:
==============
(setq
org-export-backends '(ascii beamer html icalendar latex org freemind odt)
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-occur-hook '(org-first-headline-recenter)
org-metaup-hook '(org-babel-load-in-session-maybe)
org-clock-into-drawer "LOGBOOK"
org-confirm-shell-link-function nil
org-default-notes-file "c:/Users/sway/org/notes.org"
org-after-todo-state-change-hook '(org-clock-out-if-current)
org-from-is-user-regexp "\\<Shawn Way\\>"
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-latex-to-mathml-jar-file "c:/bin/bin/mathtoweb.jar"
org-babel-pre-tangle-hook '(save-buffer)
org-mode-hook '((lambda nil
                                  (org-add-hook (quote change-major-mode-hook)
                                   (quote org-show-block-all) (quote append) (quote local))
                                  )
                                (lambda nil
                                  (org-add-hook (quote change-major-mode-hook)
                                   (quote org-babel-show-result-all) (quote append)
                                   (quote local))
                                  )
                                #[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-eldoc-load)
org-latex-to-mathml-convert-command "java -jar %j -unicode -force -df %o %I"
org-archive-hook '(org-attach-archive-delete-maybe)
org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point
                                                  org-babel-execute-safely-maybe)
org-directory "c:/Users/sway/org"
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)" "DRAFTING(b@/!)" "ENGINEERING(e!)"
                                      "REVIEWING(r!)" "VERIFYING(v!)" "|" "DONE(d!)"
                                      "CANCELLED(c@)")
                                     )
org-confirm-elisp-link-function 'yes-or-no-p
org-metadown-hook '(org-babel-pop-to-session-maybe)
org-log-into-drawer "LOGBOOK"
org-clock-sound "sounds-897-alarm-frenzy.mp3"
org-agenda-files '("c:/Users/sway/org/"
                                    "P:/ENGINEER/1.0-Projects/Jobs 9500/9522/2.0-Completed-Checklists" "P:/ENGINEER/1.0-Projects/Jobs 9400/9452/2.0-Completed-Checklists" "P:/ENGINEER/1.0-Projects/Jobs 9500/9536/2.0-Completed-Checklists" "P:/ENGINEER/1.0-Projects/Jobs 9500/9589/2.0-Completed-Checklists" "P:/ENGINEER/1.0-Projects/Jobs 9500/9590/2.0-Completed-Checklists" "P:/ENGINEER/1.0-Projects/Jobs 9500/9591/2.0-Completed-Checklists")
org-clock-out-hook '(org-clock-remove-empty-clock-drawer)
)

Thank you kindly,

Shawn Way, PE
[Sig]