update packages

lisp/org/ox-html.el

@@ -3103,7 +3103,8 @@ INFO is a plist containing export properties."
 	      (concat (file-name-as-directory org-preview-latex-image-directory)
 		      (file-name-sans-extension
 		       (file-name-nondirectory bfn)))
-	      cache-dir (file-name-directory (plist-get info :output-file)))
+	      cache-dir (file-name-directory
+                         (or (plist-get info :output-file) bfn)))
 	;; Re-create LaTeX environment from original buffer in
 	;; temporary buffer so that dvipng/imagemagick can properly
 	;; turn the fragment into an image.