Hallo, I've just tried to edit one of my wiki pages and have got the message Detected bug in an extension! Hook ConfirmEditHooks::confirmEditMerged has invalid call signature; Parameter 1 to ConfirmEditHooks::confirmEditMerged() expected to be a reference, value given Backtrace: #0 /path/to/mediawiki-1.17.0/includes/EditPage.php(999): wfRunHooks('EditFilterMerge...', Array) #1 /path/to/mediawiki-1.17.0/includes/EditPage.php(2656): EditPage->internalAttemptSave(false, false) #2 /path/to/mediawiki-1.17.0/includes/EditPage.php(415): EditPage->attemptSave() #3 /path/to/mediawiki-1.17.0/includes/EditPage.php(296): EditPage->edit() #4 /path/to/mediawiki-1.17.0/includes/Wiki.php(522): EditPage->submit() #5 /path/to/mediawiki-1.17.0/includes/Wiki.php(69): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest)) #6 /path/to/mediawiki-1.17.0/index.php(114): MediaWiki->performRequestForTitle(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest)) #7 {main} (first I had been asked to edit "LocalSettings.php": Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.) --------------------------------------- Two days ago a user with a strange looking login name had subscribed. -------------------------------------------------------- What goes wrong? Does some bad guy use a backdoor? Viele Gruesse! Helmut