每当我尝试使用以下命令创建新的Symfony项目时：

composer create-project symfony/skeleton new_project

我在控制台中收到这些错误消息，但我不知道原因：

Executing script cache:clear [KO]
 [KO]
Script cache:clear returned with error code 255
!!
!!  Fatal error: Uncaught Symfony\Component\Dotenv\Exception\PathException: Unable to read the "C:\Users\ferra\Projects\PHPex\test_project/.env" environment file. in C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php:567
!!  Stack trace:
!!  #0 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php(114): Symfony\Component\Dotenv\Dotenv->doLoad(false, Array)
!!  #1 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php(157): Symfony\Component\Dotenv\Dotenv->loadEnv('C:\\Users\\ferra\\...', 'APP_ENV', 'dev', Array, false)
!!  #2 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\runtime\SymfonyRuntime.php(107): Symfony\Component\Dotenv\Dotenv->bootEnv('C:\\Users\\ferra\\...', 'dev', Array, false)
!!  #3 C:\Users\ferra\Projects\PHPex\test_project\vendor\autoload_runtime.php(23): Symfony\Component\Runtime\SymfonyRuntime->__construct(Array)
!!  #4 C:\Users\ferra\Projects\PHPex\test_project\bin\console(11): require_once('C:\\Users\\ferra\\...')
!!  #5 {main}
!!    thrown in C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php on line 567
!!  PHP Fatal error:  Uncaught Symfony\Component\Dotenv\Exception\PathException: Unable to read the "C:\Users\ferra\Projects\PHPex\test_project/.env" environment file. in C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php:567
!!  Stack trace:
!!  #0 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php(114): Symfony\Component\Dotenv\Dotenv->doLoad(false, Array)
!!  #1 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php(157): Symfony\Component\Dotenv\Dotenv->loadEnv('C:\\Users\\ferra\\...', 'APP_ENV', 'dev', Array, false)
!!  #2 C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\runtime\SymfonyRuntime.php(107): Symfony\Component\Dotenv\Dotenv->bootEnv('C:\\Users\\ferra\\...', 'dev', Array, false)
!!  #3 C:\Users\ferra\Projects\PHPex\test_project\vendor\autoload_runtime.php(23): Symfony\Component\Runtime\SymfonyRuntime->__construct(Array)
!!  #4 C:\Users\ferra\Projects\PHPex\test_project\bin\console(11): require_once('C:\\Users\\ferra\\...')
!!  #5 {main}
!!    thrown in C:\Users\ferra\Projects\PHPex\test_project\vendor\symfony\dotenv\Dotenv.php on line 567
!!
Script @auto-scripts was called via post-update-cmd

以下命令：'symfony check:requirements'显示我的系统已准备好运行Symfony项目：

> PHP is using the following php.ini file:
C:\xampp\php\php.ini

> Checking Symfony requirements:

..............WWW......W..

 [OK]
 Your system is ready to run Symfony projects

Optional recommendations to improve your setup
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

当我尝试创建一个演示项目而不是一个常规项目（symfony new --demo new_project）时，我没有收到任何错误。
有人知道是什么原因导致在创建一个新的常规Symfony项目时出现错误消息吗？任何形式的帮助都是非常感谢的。