Ha Sagaros,
Thank's for your reply.
Debug tell mi this:
Une erreur est survenue
0 Undefined constant "JPATH_"
Call stack
Function Location
1 () JROOT/libraries/src/Installer/Adapter/ModuleAdapter.php:370
2 constant() JROOT/libraries/src/Installer/Adapter/ModuleAdapter.php:370
3 Joomla\CMS\Installer\Adapter\ModuleAdapter->loadLanguage() JROOT/libraries/src/Installer/Adapter/ModuleAdapter.php:525
4 Joomla\CMS\Installer\Adapter\ModuleAdapter->setupUninstall() JROOT/libraries/src/Installer/InstallerAdapter.php:1154
5 Joomla\CMS\Installer\InstallerAdapter->uninstall() JROOT/libraries/src/Installer/Installer.php:873
6 Joomla\CMS\Installer\Installer->uninstall() JROOT/administrator/components/com_installer/src/Model/ManageModel.php:263
7 Joomla\Component\Installer\Administrator\Model\ManageModel->remove() JROOT/administrator/components/com_installer/src/Controller/ManageController.php:120
8 Joomla\Component\Installer\Administrator\Controller\ManageController->remove() JROOT/libraries/src/MVC/Controller/BaseController.php:693
9 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/libraries/src/Dispatcher/ComponentDispatcher.php:143
10 Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361
11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/AdministratorApplication.php:143
12 Joomla\CMS\Application\AdministratorApplication->dispatch() JROOT/libraries/src/Application/AdministratorApplication.php:186
13 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293
14 Joomla\CMS\Application\CMSApplication->execute() JROOT/administrator/includes/app.php:61
15 require_once() JROOT/administrator/index.php:32
Hope it can help you.
Best regards.