Hi, Today I started getting error messages whenever I save a page. Sample error messages are at the end of this email. The last thing I did administratively was apply the latest hotfix. I am running the current version of dokuwiki. Could some one please give me 1 or 2 brief hints on what the error messages could mean and how I might start going about fixing them? Much obliged. \V/_ /fas *Prof. Filippo A. Salustri, Ph.D., P.Eng.* Email: salustri@xxxxxxxxxx http://deseng.ryerson.ca/~fil/ Warning: end() expects parameter 1 to be array, null given in /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php on line 392 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 191 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 364 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 366 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 367 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 372 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/plugins/fckg/action/meta.php on line 402 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/inc/actions.php on line 217 Warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/dokuwiki/lib/plugins/refnotes/action.php:392) in /Library/WebServer/Documents/dokuwiki/lib/tpl/fas2/main.php on line 12