Warning: require_once(header.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\SITE FUNCIONANDO (STRING_NOTFOUND_837_111)\Iron_Steel_Bosses.php on line 2

Fatal error: Uncaught Error: Failed opening required 'header.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\SITE FUNCIONANDO (STRING_NOTFOUND_837_111)\Iron_Steel_Bosses.php:2 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SITE FUNCIONANDO (STRING_NOTFOUND_837_111)\Iron_Steel_Bosses.php on line 2