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

Fatal error: Uncaught Error: Failed opening required '/var/www/vendor/composer/../../html/core/includes/bootstrap.inc' (include_path='/var/www/vendor/pear/archive_tar:/var/www/vendor/pear/console_getopt:/var/www/vendor/pear/pear-core-minimal/src:/var/www/vendor/pear/pear_exception:.:/usr/local/lib/php') in /var/www/vendor/composer/autoload_real.php:45 Stack trace: #0 /var/www/vendor/composer/autoload_real.php(49): {closure}('2f69d3914119f04...', '/var/www/vendor...') #1 /var/www/vendor/autoload.php(25): ComposerAutoloaderInitf23cb09a1c425db6bf600f827fbe527b::getLoader() #2 /var/www/html/autoload.php(16): require('/var/www/vendor...') #3 /var/www/html/index.php(14): require_once('/var/www/html/a...') #4 {main} thrown in /var/www/vendor/composer/autoload_real.php on line 45