Error Getting When Importing Landing pages

Error Getting When Importing Landing pages

Hello, I am using the landing page extension for magento2. I am trying to import landing pages through csv import file. As per documentation first I am exporting a CSV file from amasty landing pages grid. And then updated the file and importing through the amasty->landing pages->configuration -> Selecting store ->Upload a file and save config and got the error.
Please see the below information for the error. Can you please check and let me know about this? Please let me know if you need any other info.

2022-05-11 07:59:21] report.CRITICAL: TypeError: Argument 2 passed to Magento\MediaGallerySynchronization\Plugin\MediaGallerySyncTrigger::afterSave() must be an instance of Magento\Framework\App\Config\Value, null given, called in /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php on line 146 and defined in /var/www/release/<magento-root>/vendor/magento/module-media-gallery-synchronization/Plugin/MediaGallerySyncTrigger.php:42
Stack trace:
#0 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(146): Magento\MediaGallerySynchronization\Plugin\MediaGallerySyncTrigger->afterSave()
#1 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(153): Amasty\Xlanding\Model\Source\Import\Interceptor->Magento\Framework\Interception\{closure}()
#2 /var/www/release/<magento-root>/generated/code/Amasty/Xlanding/Model/Source/Import/Interceptor.php(26): Amasty\Xlanding\Model\Source\Import\Interceptor->___callPlugins()
#3 /var/www/release/<magento-root>/vendor/magento/framework/DB/Transaction.php(129): Amasty\Xlanding\Model\Source\Import\Interceptor->save()
#4 /var/www/release/<magento-root>/vendor/magento/module-config/Model/Config.php(216): Magento\Framework\DB\Transaction->save()
#5 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Config\Model\Config->save()
#6 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Config\Model\Config\Interceptor->___callParent()
#7 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Config\Model\Config\Interceptor->Magento\Framework\Interception\{closure}()
#8 /var/www/release/<magento-root>/generated/code/Magento/Config/Model/Config/Interceptor.php(26): Magento\Config\Model\Config\Interceptor->___callPlugins()
#9 /var/www/release/<magento-root>/vendor/magento/module-config/Controller/Adminhtml/System/Config/Save.php(226): Magento\Config\Model\Config\Interceptor->save()
#10 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Config\Controller\Adminhtml\System\Config\Save->execute()
#11 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->___callParent()
#12 /var/www/release/<magento-root>/vendor/magento/framework/App/Action/Plugin/ActionFlagNoDispatchPlugin.php(51): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#13 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Framework\App\Action\Plugin\ActionFlagNoDispatchPlugin->aroundExecute()
#14 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#15 /var/www/release/<magento-root>/generated/code/Magento/Config/Controller/Adminhtml/System/Config/Save/Interceptor.php(26): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->___callPlugins()
#16 /var/www/release/<magento-root>/vendor/magento/framework/App/Action/Action.php(111): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->execute()
#17 /var/www/release/<magento-root>/vendor/magento/module-backend/App/AbstractAction.php(151): Magento\Framework\App\Action\Action->dispatch()
#18 /var/www/release/<magento-root>/vendor/magento/module-config/Controller/Adminhtml/System/AbstractConfig.php(69): Magento\Backend\App\AbstractAction->dispatch()
#19 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Config\Controller\Adminhtml\System\AbstractConfig->dispatch()
#20 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->___callParent()
#21 /var/www/release/<magento-root>/app/code/WeltPixel/Backend/Plugin/Utility.php(76): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#22 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(135): WeltPixel\Backend\Plugin\Utility->aroundDispatch()
#23 /var/www/release/<magento-root>/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(143): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#24 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch()
#25 /var/www/release/<magento-root>/vendor/bronto/magento-module-connector/Plugin/Allow.php(34): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#26 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(135): Bronto\Connector\Plugin\Allow->aroundDispatch()
#27 /var/www/release/<magento-root>/app/code/Hansen/ShopExpert/Plugin/CustomerSessionContext.php(59): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#28 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(135): Hansen\ShopExpert\Plugin\CustomerSessionContext->aroundDispatch()
#29 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->Magento\Framework\Interception\{closure}()
#30 /var/www/release/<magento-root>/generated/code/Magento/Config/Controller/Adminhtml/System/Config/Save/Interceptor.php(39): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->___callPlugins()
#31 /var/www/release/<magento-root>/vendor/magento/framework/App/FrontController.php(186): Magento\Config\Controller\Adminhtml\System\Config\Save\Interceptor->dispatch()
#32 /var/www/release/<magento-root>/vendor/magento/framework/App/FrontController.php(118): Magento\Framework\App\FrontController->processRequest()
#33 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch()
#34 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent()
#35 /var/www/release/<magento-root>/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}()
#36 /var/www/release/<magento-root>/generated/code/Magento/Framework/App/FrontController/Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins()
#37 /var/www/release/<magento-root>/vendor/magento/framework/App/Http.php(116): Magento\Framework\App\FrontController\Interceptor->dispatch()
#38 /var/www/release/<magento-root>/generated/code/Magento/Framework/App/Http/Interceptor.php(24): Magento\Framework\App\Http->launch()
#39 /var/www/release/<magento-root>/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http\Interceptor->launch()
#40 /var/www/release/<magento-root>/pub/index.php(40): Magento\Framework\App\Bootstrap->run()
#41 {main} [] []