This could in fact be a CDN issue.
[error] TypeError: Drupal\social_user_export\Plugin\Action\ExportUser::__construct(): Argument #8 ($file_url_generator) must be of type Drupal\Core\File\FileUrlGenerator, Drupal\cdn\File\FileUrlGenerator given, called in drupal-10.4.x/html/profiles/contrib/social/modules/social_features/social_user_export/src/Plugin/Action/ExportUser.php on line 143 in Drupal\social_user_export\Plugin\Action\ExportUser->__construct() (line 113 of drupal-10.4.x/html/profiles/contrib/social/modules/social_features/social_user_export/src/Plugin/Action/ExportUser.php) #0 drupal-10.4.x/html/profiles/contrib/social/modules/social_features/social_user_export/src/Plugin/Action/ExportUser.php(143): Drupal\social_user_export\Plugin\Action\ExportUser->__construct()
#1 drupal-10.4.x/html/core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php(21): Drupal\social_user_export\Plugin\Action\ExportUser::create()
#2 drupal-10.4.x/html/core/lib/Drupal/Component/Plugin/PluginManagerBase.php(83): Drupal\Core\Plugin\Factory\ContainerFactory->createInstance()
#3 drupal-10.4.x/html/modules/contrib/eca/src/PluginManager/Action.php(178): Drupal\Component\Plugin\PluginManagerBase->createInstance()
#4 drupal-10.4.x/html/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(62): Drupal\eca\PluginManager\Action->createInstance()
#5 drupal-10.4.x/html/core/lib/Drupal/Component/Plugin/LazyPluginCollection.php(80): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->initializePlugin()
#6 drupal-10.4.x/html/core/lib/Drupal/Core/Action/ActionPluginCollection.php(18): Drupal\Component\Plugin\LazyPluginCollection->get()
#7 drupal-10.4.x/html/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(88): Drupal\Core\Action\ActionPluginCollection->get()
#8 drupal-10.4.x/html/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(104): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->setConfiguration()
#9 drupal-10.4.x/html/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(55): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->addInstanceId()
#10 drupal-10.4.x/html/core/modules/system/src/Entity/Action.php(114): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->__construct()
#11 drupal-10.4.x/html/core/modules/system/src/Entity/Action.php(123): Drupal\system\Entity\Action->getPluginCollection()
#12 drupal-10.4.x/html/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php(301): Drupal\system\Entity\Action->getPluginCollections()
#13 drupal-10.4.x/html/core/lib/Drupal/Core/Entity/EntityStorageBase.php(528): Drupal\Core\Config\Entity\ConfigEntityBase->preSave()
#14 drupal-10.4.x/html/core/lib/Drupal/Core/Entity/EntityStorageBase.php(483): Drupal\Core\Entity\EntityStorageBase->doPreSave()
#15 drupal-10.4.x/html/core/lib/Drupal/Core/Config/Entity/ConfigEntityStorage.php(266): Drupal\Core\Entity\EntityStorageBase->save()
#16 drupal-10.4.x/html/core/lib/Drupal/Core/Entity/EntityBase.php(354): Drupal\Core\Config\Entity\ConfigEntityStorage->save()
#17 drupal-10.4.x/html/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php(617): Drupal\Core\Entity\EntityBase->save()
#18 drupal-10.4.x/html/core/lib/Drupal/Core/Config/ConfigInstaller.php(400): Drupal\Core\Config\Entity\ConfigEntityBase->save()
#19 drupal-10.4.x/html/modules/contrib/features/src/FeaturesConfigInstaller.php(102): Drupal\Core\Config\ConfigInstaller->createConfiguration()
#20 drupal-10.4.x/html/core/lib/Drupal/Core/Config/ConfigInstaller.php(160): Drupal\features\FeaturesConfigInstaller->createConfiguration()
#21 drupal-10.4.x/html/core/lib/Drupal/Core/Extension/ModuleInstaller.php(326): Drupal\Core\Config\ConfigInstaller->installDefaultConfig()
#22 drupal-10.4.x/html/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php(83): Drupal\Core\Extension\ModuleInstaller->install()
#23 drupal-10.4.x/html/modules/cci_modules/cci_social/cci_social.install(890): Drupal\Core\ProxyClass\Extension\ModuleInstaller->install()
#24 drupal-10.4.x/html/modules/cci_modules/cci_social/cci_social.install(971): _cci_social_install_phase()
#25 drupal-10.4.x/html/modules/cci_modules/cci_social/cci_social.install(563): _cci_social_install_modules_cli()
#26 drupal-10.4.x/html/modules/cci_modules/cci_social/cci_social.install(351): _cci_social_execute_installation()
#27 drupal-10.4.x/html/modules/cci_modules/cci_social/cci_social.install(248): _cci_social_trigger_installation()
#28 [internal function]: cci_social_install()
#29 drupal-10.4.x/html/core/lib/Drupal/Core/Extension/ModuleHandler.php(407): call_user_func_array()
#30 drupal-10.4.x/html/modules/contrib/hux/src/HuxModuleHandler.php(70): Drupal\Core\Extension\ModuleHandler->invoke()
#31 drupal-10.4.x/html/modules/contrib/hux/src/HuxModuleHandler.php(86): Drupal\hux\HuxModuleHandler->Drupal\hux\{closure}()
#32 drupal-10.4.x/html/core/lib/Drupal/Core/Extension/ModuleInstaller.php(361): Drupal\hux\HuxModuleHandler->invoke()
#33 drupal-10.4.x/html/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php(83): Drupal\Core\Extension\ModuleInstaller->install()
#34 drupal-10.4.x/vendor/drush/drush/src/Commands/pm/PmCommands.php(102): Drupal\Core\ProxyClass\Extension\ModuleInstaller->install()
#35 [internal function]: Drush\Commands\pm\PmCommands->install()
#36 drupal-10.4.x/vendor/consolidation/annotated-command/src/CommandProcessor.php(276): call_user_func_array()
#37 drupal-10.4.x/vendor/consolidation/annotated-command/src/CommandProcessor.php(212): Consolidation\AnnotatedCommand\CommandProcessor->runCommandCallback()
#38 drupal-10.4.x/vendor/consolidation/annotated-command/src/CommandProcessor.php(175): Consolidation\AnnotatedCommand\CommandProcessor->validateRunAndAlter()
#39 drupal-10.4.x/vendor/consolidation/annotated-command/src/AnnotatedCommand.php(387): Consolidation\AnnotatedCommand\CommandProcessor->process()
#40 drupal-10.4.x/vendor/symfony/console/Command/Command.php(326): Consolidation\AnnotatedCommand\AnnotatedCommand->execute()
#41 drupal-10.4.x/vendor/symfony/console/Application.php(1096): Symfony\Component\Console\Command\Command->run()
#42 drupal-10.4.x/vendor/symfony/console/Application.php(324): Symfony\Component\Console\Application->doRunCommand()
#43 drupal-10.4.x/vendor/symfony/console/Application.php(175): Symfony\Component\Console\Application->doRun()
#44 drupal-10.4.x/vendor/drush/drush/src/Runtime/Runtime.php(110): Symfony\Component\Console\Application->run()
#45 drupal-10.4.x/vendor/drush/drush/src/Runtime/Runtime.php(40): Drush\Runtime\Runtime->doRun()
#46 drupal-10.4.x/vendor/drush/drush/drush.php(139): Drush\Runtime\Runtime->run()
#47 drupal-10.4.x/vendor/drush/drush/drush(4): require('...')
#48 drupal-10.4.x/vendor/bin/drush(119): include('...')
#49 {main}.
Active
13.0
Code (back-end)
This is indeed because you have the CND module enable, but caused by the way the export is not using the interface not making it generic enough.
Can you check if this patch solves the issue for you?
Created MR from the changes in patch #2, please review it.
Thanks!