Fatal error: require_once(): Failed opening required 'F:/Xampp/htdocs//bitrix/modules/main/classes/general/module.php' (include_path='.;F:\Xampp\php\PEAR') in F:\Xampp\htdocs\bitrix\modules\main\start.php on line 1

Fatal error: Class 'Bitrix\Main\Diag\ExceptionHandlerLog' not found in F:\Xampp\htdocs\bitrix\modules\main\lib\diag\exceptionhandler.php on line 214