Warning: require(C:\xampp\htdocs\flippage.dk/wp-includes/compat.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\flippage.dk\wp-settings.php on line 40

Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\flippage.dk/wp-includes/compat.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\flippage.dk\wp-settings.php:40 Stack trace: #0 C:\xampp\htdocs\flippage.dk\wp-config.php(104): require_once() #1 C:\xampp\htdocs\flippage.dk\wp-load.php(50): require_once('C:\\xampp\\htdocs...') #2 C:\xampp\htdocs\flippage.dk\wp-blog-header.php(13): require_once('C:\\xampp\\htdocs...') #3 C:\xampp\htdocs\flippage.dk\index.php(23): require('C:\\xampp\\htdocs...') #4 {main} thrown in C:\xampp\htdocs\flippage.dk\wp-settings.php on line 40