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PS 1.7.6.3
PHP 7.3 / 7.4 / 7.2

I have the same problem using tha 1-clik upgrade

I try to upgrade from 1763 to 1782 but the sistem is crashing down whit this error.

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[INTERNAL] /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/FileLoader.php line 168

- Symfony\Component\Config\Exception\FileLoaderLoadException: Expected to find class "PrestaShopBundle\Controller\Admin\Sell\index" in file "/home/web/192985/htdocs/best-grip/src/PrestaShopBundle/Controller/Admin/Sell/index.php" while importing services from resource "/home/web/192985/htdocs/best-grip/app/../src/PrestaShopBundle/Controller/*", but it was not found! Check the namespace prefix used with the resource in /home/web/192985/htdocs/best-grip/app/config/config.yml (which is being imported from "/home/web/192985/htdocs/best-grip/app/config/config_prod.yml"). #0 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/FileLoader.php(90): Symfony\Component\Config\Loader\FileLoader->doImport() #1 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php(195): Symfony\Component\Config\Loader\FileLoader->import() #2 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php(127): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->parseImports() #3 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/DelegatingLoader.php(40): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->load() #4 /home/web/192985/htdocs/best-grip/app/AppKernel.php(150): Symfony\Component\Config\Loader\DelegatingLoader->load() #5 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(776): AppKernel->registerContainerConfiguration() #6 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(642): Symfony\Component\HttpKernel\Kernel->buildContainer() #7 /home/web/192985/htdocs/best-grip/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(135): Symfony\Component\HttpKernel\Kernel->initializeContainer() #8 /home/web/192985/htdocs/best-grip/modules/autoupgrade/classes/UpgradeTools/SymfonyAdapter.php(74): Symfony\Component\HttpKernel\Kernel->boot() #9 /home/web/192985/htdocs/best-grip/modules/autoupgrade/classes/UpgradeTools/CoreUpgrader/CoreUpgrader17.php(50): PrestaShop\Module\AutoUpgrade\UpgradeTools\SymfonyAdapter->initAppKernel() #10 /home/web/192985/htdocs/best-grip/modules/autoupgrade/classes/UpgradeTools/CoreUpgrader/CoreUpgrader.php(85): PrestaShop\Module\AutoUpgrade\UpgradeTools\CoreUpgrader\CoreUpgrader17->initConstants() #11 /home/web/192985/htdocs/best-grip/modules/autoupgrade/classes/TaskRunner/Upgrade/UpgradeDb.php(41): PrestaShop\Module\AutoUpgrade\UpgradeTools\CoreUpgrader\CoreUpgrader->doUpgrade() #12 /home/web/192985/htdocs/best-grip/admin2435saexv/autoupgrade/ajax-upgradetab.php(53): PrestaShop\Module\AutoUpgrade\TaskRunner\Upgrade\UpgradeDb->run() #13 {main}

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after that i restored previous backup backup, and now if i try to open 1-click upgrade page I have this error
"The controller AdminSelfUpgrade is missing or invalid"