▼テンプレート
[EC-CUBE] EC-CUBEのバージョン、4.6.0-p
[レンタルサーバ] さくらサーバー
[OS] Windows
[PHP] 使用しているPHPのバージョン　7.4.25
[データベース] 7.4.25
[WEBサーバ] 7.4.25
[ブラウザ] Chrome、Edge
[導入プラグインの有無] CategoryExtensionB、ContactManagement4、DeliveryPlus4、OrderBySale4、Securitychecker4、SEOAllOne、SiteKit
[カスタマイズの有無]
[現象]

「商品問い合わせプラグイン for EC-CUBE4（ProductContact4）」をインストールしたいのですが
管理画面上では「インストールが完了しました」というステータスになるのですが
エラーがでているようで、インストールが完了しません。
エラーが出ているのは何となくわかるのですが、
競合しているのでしょうか？

解決方法がわからず、こちらに投稿いたしました。
どなたか、わかる方、教えていただけると幸いです。

**************** ProductContact4 ****************
<warning>Deprecation warning: require.ec-cube/CategoryExtensionB is invalid, it should not contain uppercase characters. Please use ec-cube/categoryextensionb instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/ContactManagement4 is invalid, it should not contain uppercase characters. Please use ec-cube/contactmanagement4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/DeliveryPlus4 is invalid, it should not contain uppercase characters. Please use ec-cube/deliveryplus4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/OrderBySale4 is invalid, it should not contain uppercase characters. Please use ec-cube/orderbysale4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/ProductContact4 is invalid, it should not contain uppercase characters. Please use ec-cube/productcontact4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/SEOAllOne is invalid, it should not contain uppercase characters. Please use ec-cube/seoallone instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/Securitychecker4 is invalid, it should not contain uppercase characters. Please use ec-cube/securitychecker4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/SiteKit is invalid, it should not contain uppercase characters. Please use ec-cube/sitekit instead. Make sure you fix this as Composer 2.0 will error.</warning>
<warning>Deprecation warning: require.ec-cube/ZeusPayment4 is invalid, it should not contain uppercase characters. Please use ec-cube/zeuspayment4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[10.8MiB/1.28s] <warning>Warning from https://repo.packagist.org: Support for Composer 1 is deprecated and some packages will not be available. You should upgrade to Composer 2. See https://blog.packagist.com/deprecating-composer-1-support/</warning>
[210.6MiB/4.16s] Using version ^1.1 for ec-cube/ProductContact4
[210.6MiB/4.17s] ./composer.json has been updated
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/CategoryExtensionB is invalid, it should not contain uppercase characters. Please use ec-cube/categoryextensionb instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/ContactManagement4 is invalid, it should not contain uppercase characters. Please use ec-cube/contactmanagement4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/DeliveryPlus4 is invalid, it should not contain uppercase characters. Please use ec-cube/deliveryplus4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/OrderBySale4 is invalid, it should not contain uppercase characters. Please use ec-cube/orderbysale4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/ProductContact4 is invalid, it should not contain uppercase characters. Please use ec-cube/productcontact4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/SEOAllOne is invalid, it should not contain uppercase characters. Please use ec-cube/seoallone instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/Securitychecker4 is invalid, it should not contain uppercase characters. Please use ec-cube/securitychecker4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/SiteKit is invalid, it should not contain uppercase characters. Please use ec-cube/sitekit instead. Make sure you fix this as Composer 2.0 will error.</warning>
[210.9MiB/4.31s] <warning>Deprecation warning: require.ec-cube/ZeusPayment4 is invalid, it should not contain uppercase characters. Please use ec-cube/zeuspayment4 instead. Make sure you fix this as Composer 2.0 will error.</warning>
[214.2MiB/4.53s] <warning>Dependency "ec-cube/plugin-installer" is also a root requirement, but is not explicitly whitelisted. Ignoring.</warning>
[214.0MiB/4.53s] Loading composer repositories with package information
[215.7MiB/5.90s] <warning>Warning from https://repo.packagist.org: Support for Composer 1 is deprecated and some packages will not be available. You should upgrade to Composer 2. See https://blog.packagist.com/deprecating-composer-1-support/</warning>
[215.7MiB/5.90s] Updating dependencies
[703.3MiB/61.20s] <warning>Package doctrine/doctrine-cache-bundle is abandoned, you should avoid using it. No replacement was suggested.</warning>
[703.3MiB/61.20s] <warning>Package doctrine/reflection is abandoned, you should avoid using it. Use roave/better-reflection instead.</warning>
[703.3MiB/61.20s] <warning>Package easycorp/easy-log-handler is abandoned, you should avoid using it. No replacement was suggested.</warning>
[703.3MiB/61.20s] <warning>Package sensio/generator-bundle is abandoned, you should avoid using it. Use symfony/maker-bundle instead.</warning>
[703.3MiB/61.20s] <warning>Package setasign/fpdi-tcpdf is abandoned, you should avoid using it. No replacement was suggested.</warning>
[703.3MiB/61.20s] <warning>Package swiftmailer/swiftmailer is abandoned, you should avoid using it. Use symfony/mailer instead.</warning>
[703.3MiB/61.20s] <warning>Package symfony/inflector is abandoned, you should avoid using it. Use use `EnglishInflector` from the String component instead instead.</warning>
[703.3MiB/61.20s] <warning>Package twig/extensions is abandoned, you should avoid using it. No replacement was suggested.</warning>
[703.3MiB/61.20s] <warning>Package zendframework/zend-code is abandoned, you should avoid using it. Use laminas/laminas-code instead.</warning>
[703.3MiB/61.20s] <warning>Package zendframework/zend-eventmanager is abandoned, you should avoid using it. Use laminas/laminas-eventmanager instead.</warning>
[704.4MiB/61.23s] Generating optimized autoload files
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\BaseInfo" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/BaseInfo.php" and "/home/jukirack/www/src/Eccube/Entity/BaseInfo.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Cart" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Cart.php" and "/home/jukirack/www/src/Eccube/Entity/Cart.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Category" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Category.php" and "/home/jukirack/www/src/Eccube/Entity/Category.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Customer" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Customer.php" and "/home/jukirack/www/src/Eccube/Entity/Customer.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Delivery" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Delivery.php" and "/home/jukirack/www/src/Eccube/Entity/Delivery.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Layout" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Layout.php" and "/home/jukirack/www/src/Eccube/Entity/Layout.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Member" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Member.php" and "/home/jukirack/www/src/Eccube/Entity/Member.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Order" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Order.php" and "/home/jukirack/www/src/Eccube/Entity/Order.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Page" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Page.php" and "/home/jukirack/www/src/Eccube/Entity/Page.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Payment" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Payment.php" and "/home/jukirack/www/src/Eccube/Entity/Payment.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\Product" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/Product.php" and "/home/jukirack/www/src/Eccube/Entity/Product.php", the first will be used.</warning>
[714.7MiB/68.41s] <warning>Warning: Ambiguous class resolution, "Eccube\Entity\ProductClass" was found in both "$baseDir . '/app/proxy/entity/src/Eccube/Entity/ProductClass.php" and "/home/jukirack/www/src/Eccube/Entity/ProductClass.php", the first will be used.</warning>
[708.3MiB/69.75s] Memory usage: 708.34MiB (peak: 826.27MiB), time: 69.75s