When clicking on any HTML document, the following message is display in the preview pane:
Caught Exception in AutoLoader: exception 'Exception' with message 'Could not find class file for "DOMDOCUMENT"' in /var/www/opengoo/environment/classes/AutoLoader.class.php:105 Stack trace: #0 /var/www/opengoo/environment/classes/AutoLoader.class.php(111): AutoLoader->loadClass('DOMDOCUMENT') #1 /var/www/opengoo/application/functions.php(33): AutoLoader->loadClass('DOMDOCUMENT') #2 [internal function]: __autoload('DOMDocument') #3 /var/www/opengoo/library/htmlpurifier/HTMLPurifier.standalone.php(5828): class_exists('DOMDocument') #4 /var/www/opengoo/library/htmlpurifier/HTMLPurifier.standalone.php(142): HTMLPurifier_Lexer::create(Object(HTMLPurifier_Config)) #5 /var/www/opengoo/environment/functions/general.php(569): HTMLPurifier->purify('
display_content() #8 /var/www/opengoo/environment/classes/controller/PageController.class.php(62): Controller->execute('display_content') #9 /var/www/opengoo/environment/classes/Env.class.php(173): PageController->execute('display_content') #10 /var/www/opengoo/init.php(150): Env::executeAction('files', 'display_content') #11 /var/www/opengoo/index.php(9): require('/var/www/opengo...') #12 {main}