[EC-CUBE]4.2.0
[レンタルサーバ]XServer
[OS]18.04.2-Ubuntu
[PHP]PHP 7.4.33
[データベース]MySQL 10.5.17-MariaDB-log
[ブラウザ]Chrome
[導入プラグインの有無]
以下をインストール済み
・商品並び替えプラグイン(CSV一括更新対応) for EC-CUBE4.2
・商品CSV登録拡張プラグイン for EC-CUBE4.2
・カテゴリ強化プラグイン(EC-CUBE4.2系対応)
・マイページ領収書印刷プラグイン4.2
・運送会社連携プラグイン for EC-CUBE4.2
・配送方法設定拡張プラグイン for EC-CUBE4.2
・EC-CUBE4.2系 決済プラグイン

[カスタマイズの有無]
新規のページを追加していますが、管理画面は特にカスタマイズしていません。

[現象]
受注対応状況の種類を追加したかったので
受注対応状況拡張プラグイン(4.2対応)プラグインをインストールしました。
https://www.ec-cube.net/products/detail.php?product_id=2620

インストールは成功したのですが、有効にして「受注対応状況設定」を開くと
システムエラーになります。ログを見ると以下のエラーが出ています。
※無効すると表示できます。
原因が判りましたらご教授いただけますでしょうか。
---------------------------
[2023-03-01T15:59:03.900528+09:00] admin.ERROR [83d70306] [d57f58e] [1] [Eccube\Log\Logger:log:64] - システムエラーが発生しました。 ["Unable to find template \"@OrderStatusEx/admin/Setting/shop/order_status_add_js.twig\" (looked into: /home/xs458402/kenkorich.com/public_html/app/Plugin/OrderStatusEx/Resource/template) in \"__string_template__8fb0336e87902dbbf71dfeef1145f531b94707b87e8aed6fa85e80790f45f0f5\" at line 29.","/home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Loader/FilesystemLoader.php",250,"#0 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Loader/FilesystemLoader.php(150): Twig\\Loader\\FilesystemLoader->findTemplate('@OrderStatusEx/...')\n#1 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Environment.php(299): Twig\\Loader\\FilesystemLoader->getCacheKey('@OrderStatusEx/...')\n#2 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Environment.php(381): Twig\\Environment->getTemplateClass('@OrderStatusEx/...')\n#3 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Environment.php(517): Twig\\Environment->loadTemplate('@OrderStatusEx/...')\n#4 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Extension/CoreExtension.php(1283): Twig\\Environment->resolveTemplate(Array)\n#5 /home/xs458402/kenkorich.com/public_html/var/cache/prod/twig/44/44b6f09b64fcd6d31b4a63ce3086f53e2dc8e8cef48d6ce91636dae2a442651d.php(138): twig_include(Object(Twig\\Environment), Array, '@OrderStatusEx/...')\n#6 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(405): __TwigTemplate_e36bdc5483975ee071767295e38bcd73311dac5aa800598e7c1e23eff43dc4f5->doDisplay(Array, Array)\n#7 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(378): Twig\\Template->displayWithErrorHandling(Array, Array)\n#8 /home/xs458402/kenkorich.com/public_html/src/Eccube/Twig/Template.php(44): Twig\\Template->display(Array, Array)\n#9 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(390): Eccube\\Twig\\Template->display(Array)\n#10 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/TemplateWrapper.php(45): Twig\\Template->render(Array, Array)\n#11 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Extension/CoreExtension.php(1290): Twig\\TemplateWrapper->render(Array)\n#12 /home/xs458402/kenkorich.com/public_html/var/cache/prod/twig/3e/3ec61f70e0cff471c2822965583e6fdb5edb01587e615f5eba6e171927c0265c.php(64): twig_include(Object(Twig\\Environment), Array, Object(Twig\\TemplateWrapper))\n#13 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(405): __TwigTemplate_ca5212f583b563fc125c0e099174eda22b82133eb25f76da35cfec7cb87f56fc->doDisplay(Array, Array)\n#14 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(378): Twig\\Template->displayWithErrorHandling(Array, Array)\n#15 /home/xs458402/kenkorich.com/public_html/src/Eccube/Twig/Template.php(41): Twig\\Template->display(Array, Array)\n#16 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(390): Eccube\\Twig\\Template->display(Array)\n#17 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Extension/CoreExtension.php(1290): Twig\\Template->render(Array)\n#18 /home/xs458402/kenkorich.com/public_html/var/cache/prod/twig/3d/3d13639e7e686b11c7fee96ceed20c51eee56ec2973db5e3fb56e156cce6d5d7.php(199): twig_include(Object(Twig\\Environment), Array, '@admin/snippet....', Array)\n#19 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(405): __TwigTemplate_24471556389bc5b193bfa2f1d41206365b198ba5ec7f154b80d8cc4c4ce11e99->doDisplay(Array, Array)\n#20 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(378): Twig\\Template->displayWithErrorHandling(Array, Array)\n#21 /home/xs458402/kenkorich.com/public_html/src/Eccube/Twig/Template.php(41): Twig\\Template->display(Array, Array)\n#22 /home/xs458402/kenkorich.com/public_html/var/cache/prod/twig/87/8768e2badfff517a774a0f45bf9621d5c8ddda69ace23f0e695eff65ad270e8c.php(49): Eccube\\Twig\\Template->display(Array, Array)\n#23 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(405): __TwigTemplate_d8e5880205ab1f15596c2969a3bf4e5e80ab503ea97d87673e78625cf2f4f6e4->doDisplay(Array, Array)\n#24 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(378): Twig\\Template->displayWithErrorHandling(Array, Array)\n#25 /home/xs458402/kenkorich.com/public_html/src/Eccube/Twig/Template.php(41): Twig\\Template->display(Array, Array)\n#26 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Template.php(390): Eccube\\Twig\\Template->display(Array)\n#27 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/TemplateWrapper.php(45): Twig\\Template->render(Array, Array)\n#28 /home/xs458402/kenkorich.com/public_html/vendor/twig/twig/src/Environment.php(318): Twig\\TemplateWrapper->render(Array)\n#29 /home/xs458402/kenkorich.com/public_html/vendor/sensio/framework-extra-bundle/src/EventListener/TemplateListener.php(115): Twig\\Environment->render('@admin/Setting/...', Array)\n#30 /home/xs458402/kenkorich.com/public_html/vendor/symfony/event-dispatcher/EventDispatcher.php(270): Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener->onKernelView(Object(Symfony\\Component\\HttpKernel\\Event\\ViewEvent), 'kernel.view', Object(Symfony\\Component\\EventDispatcher\\EventDispatcher))\n#31 /home/xs458402/kenkorich.com/public_html/vendor/symfony/event-dispatcher/EventDispatcher.php(230): Symfony\\Component\\EventDispatcher\\EventDispatcher::Symfony\\Component\\EventDispatcher\\{closure}(Object(Symfony\\Component\\HttpKernel\\Event\\ViewEvent), 'kernel.view', Object(Symfony\\Component\\EventDispatcher\\EventDispatcher))\n#32 /home/xs458402/kenkorich.com/public_html/vendor/symfony/event-dispatcher/EventDispatcher.php(59): Symfony\\Component\\EventDispatcher\\EventDispatcher->callListeners(Array, 'kernel.view', Object(Symfony\\Component\\HttpKernel\\Event\\ViewEvent))\n#33 /home/xs458402/kenkorich.com/public_html/vendor/symfony/http-kernel/HttpKernel.php(158): Symfony\\Component\\EventDispatcher\\EventDispatcher->dispatch(Object(Symfony\\Component\\HttpKernel\\Event\\ViewEvent), 'kernel.view')\n#34 /home/xs458402/kenkorich.com/public_html/vendor/symfony/http-kernel/HttpKernel.php(75): Symfony\\Component\\HttpKernel\\HttpKernel->handleRaw(Object(Symfony\\Component\\HttpFoundation\\Request), 1)\n#35 /home/xs458402/kenkorich.com/public_html/vendor/symfony/http-kernel/Kernel.php(202): Symfony\\Component\\HttpKernel\\HttpKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#36 /home/xs458402/kenkorich.com/public_html/index.php(83): Symfony\\Component\\HttpKernel\\Kernel--------------------------------