我已经查看并尝试了以下文章建议：
Laravel & Valet: Failed to open stream
没有一个对我有用。
解决此问题的唯一方法是由我重命名项目文件夹。
如果我这样做，它会起作用。问题是，为什么我突然面对这个问题。尝试更新，安装清除缓存以及使用composer和npm进行所有操作。
有人知道这个问题的确切原因吗？
错误如下
Warning: require(/Users/exp/Dev/urs/x/vendor/composer/../symfony/var-dumper/Resources/functions/dump.php): failed to open stream: No such file or directory in /Users/exp/Dev/urs/x/vendor/composer/autoload_real.php on line 66
Fatal error: require(): Failed opening required '/Users/exp/Dev/urs/x/vendor/composer/../symfony/var-dumper/Resources/functions/dump.php' (include_path='.:/usr/local/Cellar/php/7.3.7/share/php/pear') in /Users/exp/Dev/urs/x/vendor/composer/autoload_real.php on line 66