Notice: Use of undefined constant ABSPATH - assumed 'ABSPATH' in C:\xampp\htdocs\wp\wp-includes\wp-diff.php on line 13

Notice: Use of undefined constant WPINC - assumed 'WPINC' in C:\xampp\htdocs\wp\wp-includes\wp-diff.php on line 13

Warning: require(ABSPATHWPINC/Text/Diff.php): failed to open stream: No such file or directory in C:\xampp\htdocs\wp\wp-includes\wp-diff.php on line 13

Fatal error: require(): Failed opening required 'ABSPATHWPINC/Text/Diff.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\wp\wp-includes\wp-diff.php on line 13