Ошибка после переноса сайта на другой домен Есть решение

Здравствуйте. После переноса сайта на другой домен - при редактировании темы дизайна выплывает ошибка

{"status":"fail","errors":"PHP extension DOM required","data":[]}
Warning: Cannot modify header information - headers already sent by (output started at /home/delitis2/delux.style/docs/wa-system/controller/waActions.class.php:103) in /home/delitis2/delux.style/docs/wa-system/response/waResponse.class.php on line 217
PHP extension DOM required code 500
/home/delitis2/delux.style/docs/wa-system/file/waTheme.class.php (463)
## /home/delitis2/delux.style/docs/wa-system/file/waTheme.class.php(463)
#0 /home/delitis2/delux.style/docs/wa-system/file/waTheme.class.php(730): waTheme->getXML(true)
#1 /home/delitis2/delux.style/docs/wa-system/file/waTheme.class.php(956): waTheme->save()
#2 /home/delitis2/delux.style/docs/wa-system/controller/waActions.class.php(25): waTheme->__destruct()
#3 /home/delitis2/delux.style/docs/wa-system/controller/waActions.class.php(25): waDesignActions->saveAction()
#4 /home/delitis2/delux.style/docs/wa-system/controller/waActions.class.php(44): waActions->execute('save')
#5 /home/delitis2/delux.style/docs/wa-system/controller/waFrontController.class.php(226): waActions->run('save')
#6 /home/delitis2/delux.style/docs/wa-system/controller/waFrontController.class.php(161): waFrontController->runController(Object(siteDesignActions), 'save')
#7 /home/delitis2/delux.style/docs/wa-system/controller/waFrontController.class.php(58): waFrontController->execute(NULL, 'design', 'save')
#8 /home/delitis2/delux.style/docs/wa-system/waSystem.class.php(544): waFrontController->dispatch()
#9 /home/delitis2/delux.style/docs/wa-system/waSystem.class.php(483): waSystem->dispatchBackend('webasyst/site/')
#10 /home/delitis2/delux.style/docs/index.php(7): waSystem->dispatch()
#11 {main}
/home/delitis2/delux.style/docs/wa-system/file/waTheme.class.php around line 463
458         * @return DOMDocument|SimpleXMLElement
   459         */
   460        private function getXML($as_dom = false)
   461        {
   462            if ($as_dom && !class_exists('DOMDocument')) {
 >>463                throw new waException('PHP extension DOM required');
   464            } elseif (!function_exists('simplexml_load_file')) {
   465                throw new waException('PHP extension SimpleXML required');
   466            }
   467            $path = $this->path.'/'.self::PATH;
   468            if (file_exists($path) && filesize($path)) {