eccube4を別のドメインに移行の際、移動前のプラグイン認証キーを入力しましたら、エラーが起きてしまいました。

データベースの認証キーを削除しましたが、元にもどりません。
どうしたらよろしいでしょうか？

下記エラー内容となります。よろしくお願いいたします。

(2/2) FileLoaderLoadException
Expected to find class "Eccube\Form\Type\ItemType" in file "/home/nagoyacase/nagoya-case.co.jp/public_html/ec/src/Eccube/Form/Type/ItemType.php" while importing services from resource "../../../src/Eccube/*", but it was not found! Check the namespace prefix used with the resource in /home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml (which is loaded in resource "/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml").

in FileLoader.php line 168
at FileLoader->doImport('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml', null, false, null)
in FileLoader.php line 90
at FileLoader->import('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml')
in GlobFileLoader.php line 27
at GlobFileLoader->load('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.{php,xml,yaml,yml}', 'glob')
in DelegatingLoader.php line 40
at DelegatingLoader->load('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.{php,xml,yaml,yml}', 'glob')
in Kernel.php line 119
at Kernel->configureContainer(object(ContainerBuilder), object(DelegatingLoader))
in MicroKernelTrait.php line 80
at Kernel->Symfony\Bundle\FrameworkBundle\Kernel\{closure}(object(ContainerBuilder))
in ClosureLoader.php line 38
at ClosureLoader->load(object(Closure), null)
in DelegatingLoader.php line 40
at DelegatingLoader->load(object(Closure))
in MicroKernelTrait.php line 83
at Kernel->registerContainerConfiguration(object(DelegatingLoader))
in Kernel.php line 770
at Kernel->buildContainer()
in Kernel.php line 636
at Kernel->initializeContainer()
in Kernel.php line 135
at Kernel->boot()
in Kernel.php line 89
at Kernel->boot()
in Kernel.php line 195
at Kernel->handle(object(Request))
in index.php line 76



(1/2) InvalidArgumentException
Expected to find class "Eccube\Form\Type\ItemType" in file "/home/nagoyacase/nagoya-case.co.jp/public_html/ec/src/Eccube/Form/Type/ItemType.php" while importing services from resource "../../../src/Eccube/*", but it was not found! Check the namespace prefix used with the resource.

in FileLoader.php line 163
at FileLoader->findClasses('Eccube\\', '../../../src/Eccube/*', '../../../src/Eccube/{Annotation,Common,Entity,Exception,Log,Plugin,ServiceProvider,Resource,Doctrine/ORM/tools/}')
in FileLoader.php line 57
at FileLoader->registerClasses(object(Definition), 'Eccube\\', '../../../src/Eccube/*', '../../../src/Eccube/{Annotation,Common,Entity,Exception,Log,Plugin,ServiceProvider,Resource,Doctrine/ORM/tools/}')
in YamlFileLoader.php line 584
at YamlFileLoader->parseDefinition('Eccube\\', array('resource' => '../../../src/Eccube/*', 'exclude' => '../../../src/Eccube/{Annotation,Common,Entity,Exception,Log,Plugin,ServiceProvider,Resource,Doctrine/ORM/tools/}'), '/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml', array('autowire' => true, 'autoconfigure' => true, 'public' => false, 'bind' => array('$cartPurchaseFlow' => object(BoundArgument), '$shoppingPurchaseFlow' => object(BoundArgument), '$orderPurchaseFlow' => object(BoundArgument), '$_orderStateMachine' => object(BoundArgument))))
in YamlFileLoader.php line 239
at YamlFileLoader->parseDefinitions(array('parameters' => array('container.dumper.inline_class_loader' => true, 'env(ECCUBE_LOCALE)' => 'ja', 'env(ECCUBE_TIMEZONE)' => 'Asia/Tokyo', 'env(ECCUBE_CURRENCY)' => 'JPY', 'locale' => '%env(ECCUBE_LOCALE)%', 'timezone' => '%env(ECCUBE_TIMEZONE)%', 'currency' => '%env(ECCUBE_CURRENCY)%'), 'services' => array('Eccube\' => array('resource' => '../../../src/Eccube/*', 'exclude' => '../../../src/Eccube/{Annotation,Common,Entity,Exception,Log,Plugin,ServiceProvider,Resource,Doctrine/ORM/tools/}'), 'Eccube\Common\EccubeConfig' => array('public' => true), 'Eccube\Service\TaxRuleService' => array('lazy' => true, 'public' => true), 'Eccube\Repository\TaxRuleRepository' => array('lazy' => true), 'Eccube\Service\CartService' => array('lazy' => true), 'Eccube\Service\SystemService' => array('lazy' => true, 'public' => true), 'Eccube\Service\Composer\ComposerProcessService' => array('lazy' => true), 'Eccube\Service\Composer\ComposerServiceInterface' => array('factory' => array('Eccube\\Service\\Composer\\ComposerServiceFactory', 'createService')), 'Eccube\Controller\' => array('resource' => '../../../src/Eccube/Controller', 'tags' => array('controller.service_arguments')), 'Eccube\Twig\Extension\EccubeBlockExtension' => array('tags' => array('twig.extension'), 'bind' => array('$blockTemplates' => '%eccube_twig_block_templates%')), 'Plugin\' => array('resource' => '../../../app/Plugin/*', 'exclude' => '../../../app/Plugin/*/{Entity,Resource,ServiceProvider,Tests,DoctrineMigrations}'), 'Customize\' => array('resource' => '../../../app/Customize/*', 'exclude' => '../../../app/Customize/{Entity,Resource,Tests}'), 'Customize\Controller\' => array('resource' => '../../../app/Customize/Controller', 'tags' => array('controller.service_arguments')), 'twig.extension.stringloader' => array('class' => 'Twig_Extension_StringLoader', 'tags' => array('twig.extension')), 'eccube.collector.core' => array('class' => 'Eccube\\DataCollector\\EccubeDataCollector', 'tags' => array(array('name' => 'data_collector', 'template' => '@toolbar/eccube.html.twig', 'id' => 'eccube_core', 'priority' => -512))), 'eccube.security.success_handler' => array('class' => 'Eccube\\Security\\Http\\Authentication\\EccubeAuthenticationSuccessHandler'), 'eccube.security.failure_handler' => array('class' => 'Eccube\\Security\\Http\\Authentication\\EccubeAuthenticationFailureHandler'), 'eccube.logger' => array('class' => 'Eccube\\Log\\Logger', 'arguments' => array('@Eccube\\Request\\Context', '@monolog.logger', '@monolog.logger.front', '@monolog.logger.admin'), 'lazy' => true, 'public' => true), 'eccube.log.formatter.line' => array('class' => 'Monolog\\Formatter\\LineFormatter', 'arguments' => array('[%%datetime%%] %%channel%%.%%level_name%% [%%extra.session_id%%] [%%extra.uid%%] [%%extra.user_id%%] [%%extra.class%%:%%extra.function%%:%%extra.line%%] - %%message%% %%context%% [%%extra.http_method%%, %%extra.url%%, %%extra.ip%%, %%extra.referrer%%, %%extra.user_agent%%]')), 'Eccube\Log\Processor\SessionProcessor' => array('tags' => array(array('name' => 'monolog.processor'))), 'Eccube\Log\Processor\TokenProcessor' => array('tags' => array(array('name' => 'monolog.processor'))), 'Monolog\Processor\UidProcessor' => array('tags' => array(array('name' => 'monolog.processor'))), 'Monolog\Processor\IntrospectionProcessor' => array('arguments' => array('!php/const:Monolog\\Logger::DEBUG', array('Eccube\\\\Log', 'Psr\\\\Log')), 'tags' => array(array('name' => 'monolog.processor'))), 'Symfony\Bridge\Monolog\Processor\WebProcessor' => array('arguments' => array(array('url' => 'REQUEST_URI', 'ip' => 'REMOTE_ADDR', 'http_method' => 'REQUEST_METHOD', 'server' => 'SERVER_NAME', 'referrer' => 'HTTP_REFERER', 'user_agent' => 'HTTP_USER_AGENT')), 'tags' => array(array('name' => 'monolog.processor'), array('name' => 'kernel.event_listener', 'event' => 'kernel.request', 'priority' => 1024))), 'Symfony\Component\HttpFoundation\ParameterBag' => null, 'Eccube\Twig\Extension\IgnoreRoutingNotFoundExtension' => array('autoconfigure' => false))), '/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml')
in YamlFileLoader.php line 148
at YamlFileLoader->load('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml', null)
in FileLoader.php line 153
at FileLoader->doImport('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml', null, false, null)
in FileLoader.php line 90
at FileLoader->import('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.yaml')
in GlobFileLoader.php line 27
at GlobFileLoader->load('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.{php,xml,yaml,yml}', 'glob')
in DelegatingLoader.php line 40
at DelegatingLoader->load('/home/nagoyacase/nagoya-case.co.jp/public_html/ec/app/config/eccube/services.{php,xml,yaml,yml}', 'glob')
in Kernel.php line 119
at Kernel->configureContainer(object(ContainerBuilder), object(DelegatingLoader))
in MicroKernelTrait.php line 80
at Kernel->Symfony\Bundle\FrameworkBundle\Kernel\{closure}(object(ContainerBuilder))
in ClosureLoader.php line 38
at ClosureLoader->load(object(Closure), null)
in DelegatingLoader.php line 40
at DelegatingLoader->load(object(Closure))
in MicroKernelTrait.php line 83
at Kernel->registerContainerConfiguration(object(DelegatingLoader))
in Kernel.php line 770
at Kernel->buildContainer()
in Kernel.php line 636
at Kernel->initializeContainer()
in Kernel.php line 135
at Kernel->boot()
in Kernel.php line 89
at Kernel->boot()
in Kernel.php line 195
at Kernel->handle(object(Request))
in index.php line 76