ご共有頂いたログにエラーログは含まれていなさそうです。
エラーログには「システムエラーが発生しました」の記載があります。

https://umebius.com/eccube/how_to_handle_system_error/

ご返信ありがとうございます。
このログからどのようなことがわかるものなのでしょうか。
ご教授お願いいたします。

ログを50件表示させたものが以下になります。
[2021-06-14 21:15:54] app.INFO [N/A] [57478f2] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_setting_system_log"] [GET, /apparel/apparel0stir/setting/system/log, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?resume=1, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:54] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [57478f2] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_setting_system_log"] [GET, /apparel/apparel0stir/setting/system/log, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?resume=1, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:54] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [57478f2] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_setting_system_log"] [GET, /apparel/apparel0stir/setting/system/log, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?resume=1, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:54] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [57478f2] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_setting_system_log"] [GET, /apparel/apparel0stir/setting/system/log, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?resume=1, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:54] admin.INFO [N/A] [57478f2] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/setting/system/log, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?resume=1, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:50] app.INFO [N/A] [5bce20d] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_order"] [GET, /apparel/apparel0stir/order?resume=1, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:50] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [5bce20d] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_order"] [GET, /apparel/apparel0stir/order?resume=1, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:50] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [5bce20d] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_order"] [GET, /apparel/apparel0stir/order?resume=1, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:50] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [5bce20d] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_order"] [GET, /apparel/apparel0stir/order?resume=1, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:50] admin.INFO [N/A] [5bce20d] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/order?resume=1, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:46] app.INFO [N/A] [2c35688] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:46] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [2c35688] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:46] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [2c35688] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:46] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [2c35688] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:46] admin.INFO [N/A] [2c35688] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:44] app.INFO [N/A] [d901dd2] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:44] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [d901dd2] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:44] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [d901dd2] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:44] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [d901dd2] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_shipping_preview_notify_mail"] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:44] admin.INFO [N/A] [d901dd2] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/shipping/preview_notify_mail/4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/order?order_status_id=4, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:06] app.INFO [N/A] [d83c259] [anon.] [Eccube\Log\Logger:log:68] - PROCESS END ["product_detail"] [GET, /apparel/products/detail/1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:15:06] php.INFO [fmhcs22ao0b583mi8qfh3rvtft1bqlub] [d83c259] [anon.] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. {"exception":"[object] (ErrorException(code: 0): User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. at /home/apparel0-stir/public_html/apparel/vendor/sensio/framework-extra-bundle/Request/ParamConverter/DoctrineParamConverter.php:314)"} [GET, /apparel/products/detail/1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:15:06] php.INFO [fmhcs22ao0b583mi8qfh3rvtft1bqlub] [d83c259] [anon.] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. {"exception":"[object] (ErrorException(code: 0): User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. at /home/apparel0-stir/public_html/apparel/vendor/sensio/framework-extra-bundle/Request/ParamConverter/DoctrineParamConverter.php:314)"} [GET, /apparel/products/detail/1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:15:06] php.INFO [N/A] [d83c259] [N/A] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: Using the "Twig_Loader_Chain" class is deprecated since Twig version 2.7, use "Twig\Loader\ChainLoader" instead. {"exception":"[object] (ErrorException(code: 0): User Deprecated: Using the \"Twig_Loader_Chain\" class is deprecated since Twig version 2.7, use \"Twig\\Loader\\ChainLoader\" instead. at /home/apparel0-stir/public_html/apparel/vendor/twig/twig/lib/Twig/Loader/Chain.php:7)"} [GET, /apparel/products/detail/1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:15:03] app.INFO [N/A] [a7a8f08] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_order"] [GET, /apparel/apparel0stir/order?order_status_id=4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:03] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [a7a8f08] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_order"] [GET, /apparel/apparel0stir/order?order_status_id=4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:03] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [a7a8f08] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_order"] [GET, /apparel/apparel0stir/order?order_status_id=4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:02] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [a7a8f08] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_order"] [GET, /apparel/apparel0stir/order?order_status_id=4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:15:02] admin.INFO [N/A] [a7a8f08] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/order?order_status_id=4, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] app.INFO [N/A] [ba30588] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_homepage_sale"] [GET, /apparel/apparel0stir/sale_chart, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [ba30588] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_homepage_sale"] [GET, /apparel/apparel0stir/sale_chart, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [ba30588] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_homepage_sale"] [GET, /apparel/apparel0stir/sale_chart, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [ba30588] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_homepage_sale"] [GET, /apparel/apparel0stir/sale_chart, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [N/A] [ba30588] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/sale_chart, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] app.INFO [N/A] [d9f7e76] [anon.] [Eccube\Log\Logger:log:68] - PROCESS END ["product_detail"] [GET, /apparel/products/detail/2, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:59] php.INFO [fmhcs22ao0b583mi8qfh3rvtft1bqlub] [d9f7e76] [anon.] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. {"exception":"[object] (ErrorException(code: 0): User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. at /home/apparel0-stir/public_html/apparel/vendor/sensio/framework-extra-bundle/Request/ParamConverter/DoctrineParamConverter.php:314)"} [GET, /apparel/products/detail/2, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:59] php.INFO [fmhcs22ao0b583mi8qfh3rvtft1bqlub] [d9f7e76] [anon.] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. {"exception":"[object] (ErrorException(code: 0): User Deprecated: The repository_method option of @ParamConverter is deprecated and will be removed in 6.0. Use the expr option or @Entity. at /home/apparel0-stir/public_html/apparel/vendor/sensio/framework-extra-bundle/Request/ParamConverter/DoctrineParamConverter.php:314)"} [GET, /apparel/products/detail/2, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:59] php.INFO [N/A] [d9f7e76] [N/A] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: Using the "Twig_Loader_Chain" class is deprecated since Twig version 2.7, use "Twig\Loader\ChainLoader" instead. {"exception":"[object] (ErrorException(code: 0): User Deprecated: Using the \"Twig_Loader_Chain\" class is deprecated since Twig version 2.7, use \"Twig\\Loader\\ChainLoader\" instead. at /home/apparel0-stir/public_html/apparel/vendor/twig/twig/lib/Twig/Loader/Chain.php:7)"} [GET, /apparel/products/detail/2, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=1, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:59] app.INFO [N/A] [0813052] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_homepage"] [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [0813052] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_homepage"] [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:59] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [0813052] [1] [Eccube\Log\Logger:log:64] - http get_info {"url":"https://package-api.ec-cube.net/plugins/recommended","content_type":"application/json;charset=UTF-8","http_code":200,"header_size":413,"request_size":213,"filetime":-1,"ssl_verify_result":0,"redirect_count":0,"total_time":0.220117,"namelookup_time":0.004118,"connect_time":0.02837,"pretransfer_time":0.134149,"size_upload":0,"size_download":10946,"speed_download":49728,"speed_upload":0,"download_content_length":-1,"upload_content_length":0,"starttransfer_time":0.220092,"redirect_time":0,"redirect_url":"","primary_ip":"133.242.233.183","certinfo":[],"primary_port":443,"local_ip":"133.18.34.68","local_port":33232,"message":""} [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [0813052] [1] [Eccube\Log\Logger:log:64] - LOGIC START ["admin_homepage"] [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [0813052] [1] [Eccube\Log\Logger:log:64] - PROCESS START ["admin_homepage"] [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] admin.INFO [N/A] [0813052] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [GET, /apparel/apparel0stir/, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] app.INFO [N/A] [8d3a1e7] [1] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_login"] [POST, /apparel/apparel0stir/login, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] admin.INFO [ci0m3d5a3ujjjkkee7khcojvn4flp6dc] [8d3a1e7] [1] [Eccube\Log\Logger:log:64] - LOGIC END ["admin_login"] [POST, /apparel/apparel0stir/login, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:58] admin.INFO [N/A] [8d3a1e7] [N/A] [Eccube\Log\Logger:log:64] - INIT [] [POST, /apparel/apparel0stir/login, 175.177.42.32, http://apparel0-stir.kir.jp/apparel/apparel0stir/login, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]
[2021-06-14 21:14:57] app.INFO [N/A] [d8f2cde] [anon.] [Eccube\Log\Logger:log:68] - PROCESS END ["product_list"] [GET, /apparel/products/list?category_id=1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=3, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:57] php.INFO [N/A] [d8f2cde] [N/A] [Symfony\Component\Debug\ErrorHandler:handleError:528] - User Deprecated: Using the "Twig_Loader_Chain" class is deprecated since Twig version 2.7, use "Twig\Loader\ChainLoader" instead. {"exception":"[object] (ErrorException(code: 0): User Deprecated: Using the \"Twig_Loader_Chain\" class is deprecated since Twig version 2.7, use \"Twig\\Loader\\ChainLoader\" instead. at /home/apparel0-stir/public_html/apparel/vendor/twig/twig/lib/Twig/Loader/Chain.php:7)"} [GET, /apparel/products/list?category_id=1, 60.129.124.209, http://apparel0-stir.kir.jp/apparel/products/list?category_id=3, Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/11.9.0]
[2021-06-14 21:14:44] app.INFO [N/A] [e5a9c3f] [anon.] [Eccube\Log\Logger:log:68] - PROCESS END ["admin_login"] [GET, /apparel/apparel0stir/login, 175.177.42.32, NULL, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36]

kamusan様

お世話になります。
こちらは、システムエラーの内容を把握する必要がございます。

システムエラーが発生した際のログにどのような内容が出力されておりますでしょうか。
システム設定>ログ表示、もしくはサーバーに入っていただき、対象ファイルのご確認が必要でございます。

よろしくお願いいたします。

[EC-CUBE] 新規インストール
[レンタルサーバ] カゴヤジャパン/共有サーバ
[OS] windows10
[PHP] 7.4.14
[データベース] MySQL、5.7.33
[WEBサーバ] Apache/2.4.46
[ブラウザ] chrome
[導入プラグインの有無] なし
[カスタマイズの有無] なし
[現象]
受注管理>受注一覧で、注文商品を出荷済にするボタンを押下し、実行を行いました。
しかし、「システムエラーが発生しました」と表示され、出荷済みに更新できません。
どのような対応を取ればよろしいでしょうか？