I finished with instructions" class="!text-blue-400 !no-underline" target="_blank" rel="nofollow" >instructions → how to upgrade from D9 to D10. The Upgrade Status marks 100% completed all the migration issues.
When I preform test with composer update --dry-run without errors.
Preform composer update
Could not upgrade Drush. Composer notification:
- Upgrading drush/drush (10.6.1 => 12.4.3): Extracting archive
89/92 [===========================>] 96% Failed to extract drush/drush: (2) "C:\Program Files\7-Zip\7z.EXE" x -bb0 -y C:\xampp\htdocs\oz\vendor\composer\tmp-08798dca14f2a137d35b1ceb614f39ff.zip -oC:\xampp\htdocs\oz\vendor\composer\e2384ecc
ERROR: Cannot create symbolic link : A required privilege is not held by the client. : C:\xampp\htdocs\oz\vendor\composer\e2384ecc\drush-ops-drush-8245ace\docs\contribute\CONTRIBUTING.md
ERROR: Cannot create symbolic link : A required privilege is not held by the client. : C:\xampp\htdocs\oz\vendor\composer\e2384ecc\drush-ops-drush-8245ace\docs\drush_logo-black.png
ERROR: Cannot create symbolic link : A required privilege is not held by the client. : C:\xampp\htdocs\oz\vendor\composer\e2384ecc\drush-ops-drush-8245ace\docs\img\favicon.ico
ERROR: Cannot create symbolic link : A required privilege is not held by the client. : C:\xampp\htdocs\oz\vendor\composer\e2384ecc\drush-ops-drush-8245ace\docs\misc\icon_PhpStorm.png
The archive may contain identical file names with different capitalization (which fails on case insensitive filesystems)
Unzip with 7z command failed, falling back to ZipArchive classRun composer install (no issues)
Got error message on my website:
Thx for help.
Fatal error: Uncaught Error: Undefined constant Symfony\Component\HttpFoundation\Request::HEADER_X_FORWARDED_ALL in C:\xampp\htdocs\oz\web\sites\default\settings.php:380 Stack trace: #0 C:\xampp\htdocs\oz\vendor\drupal\core\lib\Drupal\Core\Site\Settings.php(146): require() #1 C:\xampp\htdocs\oz\web\core\includes\install.core.inc(335): Drupal\Core\Site\Settings::initialize('C:\\xampp\\htdocs...', 'sites/default', Object(Composer\Autoload\ClassLoader)) #2 C:\xampp\htdocs\oz\web\core\includes\install.core.inc(116): install_begin_request(Object(Composer\Autoload\ClassLoader), Array) #3 C:\xampp\htdocs\oz\web\core\install.php(48): install_drupal(Object(Composer\Autoload\ClassLoader)) #4 {main} thrown in C:\xampp\htdocs\oz\web\sites\default\settings.php on line 380
https://ddev.com/ will probably work better for you.
It is not recommended to use XAMPP for local Drupal development. Use a Docker-based solution → such as DDEV or Lando instead.
From https://www.drupal.org/docs/develop/local-server-setup/windows-developme... →
In the first case you have a file system permissions issue on your end.