Warning: Use of undefined constant ABSPATH - assumed 'ABSPATH' (this will throw an Error in a future version of PHP) in E:\www\web\wp-includes\class-IXR.php on line 42

Warning: Use of undefined constant WPINC - assumed 'WPINC' (this will throw an Error in a future version of PHP) in E:\www\web\wp-includes\class-IXR.php on line 42

Warning: require_once(ABSPATHWPINC/IXR/class-IXR-server.php): failed to open stream: No such file or directory in E:\www\web\wp-includes\class-IXR.php on line 42

Fatal error: require_once(): Failed opening required 'ABSPATHWPINC/IXR/class-IXR-server.php' (include_path='E:\XAMPP\php\PEAR') in E:\www\web\wp-includes\class-IXR.php on line 42