Warning: include_once(C:/Users/Administrator/OneDrive/AlexCD Backup/Dokumente/Trabajo/Web Developer/wp-user.php): Failed to open stream: No such file or directory in C:\Users\Administrator\OneDrive\AlexCD Backup\Dokumente\Trabajo\Web Developer\LibreriaACD\WP\WP must use plugin.php on line 18

Warning: include_once(): Failed opening 'C:/Users/Administrator/OneDrive/AlexCD Backup/Dokumente/Trabajo/Web Developer/wp-user.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\Users\Administrator\OneDrive\AlexCD Backup\Dokumente\Trabajo\Web Developer\LibreriaACD\WP\WP must use plugin.php on line 18

Fatal error: Uncaught Error: Call to undefined function add_action() in C:\Users\Administrator\OneDrive\AlexCD Backup\Dokumente\Trabajo\Web Developer\LibreriaACD\WP\WP must use plugin.php:26 Stack trace: #0 {main} thrown in C:\Users\Administrator\OneDrive\AlexCD Backup\Dokumente\Trabajo\Web Developer\LibreriaACD\WP\WP must use plugin.php on line 26