Magento 2.4.1: 异常 #0 (ReflectionException): Class Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper 不存在

如何解决Magento 2.4.1: 异常 #0 (ReflectionException): Class Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper 不存在

最近将 Magento 2.3 升级到 2.4.1。该网站似乎一切正常。尝试登录 Magento 管理员时，以下是浏览器中显示的内容。不确定这是什么意思。请告知在哪里寻找修复程序。谢谢

1 exception(s):
Exception #0 (ReflectionException): Class Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper does not exist

Exception #0 (ReflectionException): Class Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper does not exist
<pre>#1 Magento\Framework\Code\Reader\ClassReader->getConstructor() called at [vendor/magento/framework/ObjectManager/DeFinition/Runtime.PHP:54]
#2 Magento\Framework\ObjectManager\DeFinition\Runtime->getParameters() called at [vendor/magento/framework/ObjectManager/Factory/Compiled.PHP:100]
#3 Magento\Framework\ObjectManager\Factory\Compiled->create() called at [vendor/magento/framework/ObjectManager/ObjectManager.PHP:70]
#4 Magento\Framework\ObjectManager\ObjectManager->get() called at [vendor/wyomind/framework/Helper/License.PHP:11]
#5 Wyomind\Framework\Helper\License->constructor() called at [vendor/wyomind/elasticsearchbrowser/Helper/Data.PHP:28]
#6 Wyomind\Elasticsearchbrowser\Helper\Data->__construct() called at [vendor/magento/framework/ObjectManager/Factory/AbstractFactory.PHP:121]
#7 Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject() called at [vendor/magento/framework/ObjectManager/Factory/Compiled.PHP:108]
#8 Magento\Framework\ObjectManager\Factory\Compiled->create() called at [vendor/magento/framework/ObjectManager/ObjectManager.PHP:70]
#9 Magento\Framework\ObjectManager\ObjectManager->get() called at [vendor/wyomind/framework/Helper/License.PHP:11]
#10 Wyomind\Framework\Helper\License->constructor() called at [vendor/wyomind/elasticsearchbrowser/Plugin/Ui/Config/Data.PHP:13]
#11 Wyomind\Elasticsearchbrowser\Plugin\Ui\Config\Data->__construct() called at [vendor/magento/framework/ObjectManager/Factory/AbstractFactory.PHP:121]
#12 Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject() called at [vendor/magento/framework/ObjectManager/Factory/Compiled.PHP:108]
#13 Magento\Framework\ObjectManager\Factory\Compiled->create() called at [vendor/magento/framework/ObjectManager/ObjectManager.PHP:70]
#14 Magento\Framework\ObjectManager\ObjectManager->get() called at [vendor/magento/framework/Interception/PluginList/PluginList.PHP:174]
#15 Magento\Framework\Interception\PluginList\PluginList->getPlugin() called at [vendor/magento/framework/Interception/Interceptor.PHP:133]
#16 Magento\Ui\Config\Data\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.PHP:153]
#17 Magento\Ui\Config\Data\Interceptor->___callPlugins() called at [generated/code/Magento/Ui/Config/Data/Interceptor.PHP:23]
#18 Magento\Ui\Config\Data\Interceptor->get() called at [vendor/magento/framework/View/Layout/Reader/UiComponent.PHP:100]
#19 Magento\Framework\View\Layout\Reader\UiComponent->interpret() called at [vendor/magento/framework/View/Layout/ReaderPool.PHP:105]
#20 Magento\Framework\View\Layout\ReaderPool->interpret() called at [vendor/magento/framework/View/Layout/Reader/Container.PHP:84]
#21 Magento\Framework\View\Layout\Reader\Container->interpret() called at [vendor/magento/framework/View/Layout/ReaderPool.PHP:105]
#22 Magento\Framework\View\Layout\ReaderPool->interpret() called at [vendor/magento/framework/View/Page/Config/Reader/Body.PHP:68]
#23 Magento\Framework\View\Page\Config\Reader\Body->interpret() called at [vendor/magento/framework/View/Layout/ReaderPool.PHP:105]
#24 Magento\Framework\View\Layout\ReaderPool->interpret() called at [vendor/magento/framework/View/Layout.PHP:334]
#25 Magento\Framework\View\Layout->generateElements() called at [generated/code/Magento/Framework/View/Layout/Interceptor.PHP:32]
#26 Magento\Framework\View\Layout\Interceptor->generateElements() called at [vendor/magento/framework/View/Layout/Builder.PHP:129]
#27 Magento\Framework\View\Layout\Builder->generateLayoutBlocks() called at [vendor/magento/framework/View/Page/Builder.PHP:65]
#28 Magento\Framework\View\Page\Builder->generateLayoutBlocks() called at [vendor/magento/framework/View/Layout/Builder.PHP:65]
#29 Magento\Framework\View\Layout\Builder->build() called at [vendor/magento/framework/View/Page/Config.PHP:224]
#30 Magento\Framework\View\Page\Config->build() called at [vendor/magento/framework/View/Page/Config.PHP:237]
#31 Magento\Framework\View\Page\Config->publicBuild() called at [vendor/magento/framework/View/Result/Page.PHP:242]
#32 Magento\Framework\View\Result\Page->render() called at [vendor/magento/framework/View/Result/Layout.PHP:171]
#33 Magento\Framework\View\Result\Layout->renderResult() called at [generated/code/Magento/Backend/Model/View/Result/Page/Interceptor.PHP:23]
#34 Magento\Backend\Model\View\Result\Page\Interceptor->renderResult() called at [vendor/magento/framework/App/Http.PHP:120]
#35 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/App/Bootstrap.PHP:263]
#36 Magento\Framework\App\Bootstrap->run() called at [index.PHP:39]
</pre>