Warning: require(E:\xampp\htdocs\key1\vendor\symfony\process/vendor/autoload.php): failed to open stream: No such file or directory in E:\xampp\htdocs\key1\vendor\symfony\process\Tests\ErrorProcessInitiator.php on line 17

Fatal error: require(): Failed opening required 'E:\xampp\htdocs\key1\vendor\symfony\process/vendor/autoload.php' (include_path='.;C:\php\pear') in E:\xampp\htdocs\key1\vendor\symfony\process\Tests\ErrorProcessInitiator.php on line 17