need help plz :(

[Salma-laravel]

Warning: require(C:\xampp\htdocs\bestBlog\vendor\composer/../symfony/polyfill-ctype/bootstrap.php): failed to open stream: No such file or directory in C:\xampp\htdocs\bestBlog\vendor\composer\autoload_real.php on line 66

Fatal error: require(): Failed opening required 'C:\xampp\htdocs\bestBlog\vendor\composer/../symfony/polyfill-ctype/bootstrap.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\bestBlog\vendor\composer\autoload_real.php on line 66