Fatal error: Out of memory (allocated 4456448) (tried to allocate 7168 bytes) in E:\xampp-1.8.3.4\htdocs\mediawiki\vendor\wikimedia\ip-set\src\IPSet.php on line 230

Fatal error: Class 'MWDebug' not found in E:\xampp-1.8.3.4\htdocs\mediawiki\includes\debug\logger\LegacyLogger.php on line 123