Warning: require(C:\xampp\htdocs\vendor\composer/../../core/includes/bootstrap.inc): Failed to open stream: No such file or directory in C:\xampp\htdocs\vendor\composer\autoload_real.php on line 45

Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\vendor\composer/../../core/includes/bootstrap.inc' (include_path='C:\xampp\htdocs\vendor/pear/archive_tar;C:\xampp\htdocs\vendor/pear/console_getopt;C:\xampp\htdocs\vendor/pear/pear-core-minimal/src;C:\xampp\htdocs\vendor/pear/pear_exception;C:\xampp\php\PEAR') in C:\xampp\htdocs\vendor\composer\autoload_real.php:45 Stack trace: #0 C:\xampp\htdocs\vendor\composer\autoload_real.php(49): {closure}('2f69d3914119f04...', 'C:\\xampp\\htdocs...') #1 C:\xampp\htdocs\vendor\autoload.php(25): ComposerAutoloaderInitf2bbc4e4e4d432259f4297fd2d96ec9c::getLoader() #2 C:\xampp\htdocs\autoload.php(15): require('C:\\xampp\\htdocs...') #3 C:\xampp\htdocs\index.php(14): require_once('C:\\xampp\\htdocs...') #4 {main} thrown in C:\xampp\htdocs\vendor\composer\autoload_real.php on line 45