{"id":14866,"date":"2025-10-02T10:18:58","date_gmt":"2025-10-02T01:18:58","guid":{"rendered":"https:\/\/hanami-web.tokyo.jp\/blog\/?p=14866"},"modified":"2025-12-07T10:34:24","modified_gmt":"2025-12-07T01:34:24","slug":"wordpress5-x-date-transfar","status":"publish","type":"post","link":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/","title":{"rendered":"Data migration from WordPress 5.X series was also successful! Safe data migration with WPvivid Backup Plugin"},"content":{"rendered":"<p>I was thinking of transferring a client&#039;s website to a different server.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>No one is managing it and I don&#039;t know the login information.<\/li>\n\n\n\n<li>The WordPress version is too old and the server&#039;s Easy WordPress Migration feature cannot be used.<\/li>\n<\/ol>\n\n\n\n<p>Two major problems with high hurdles were discovered.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%ef%bc%91%ef%bc%8ewordpress%e3%81%ae%e7%ae%a1%e7%90%86%e8%80%85%e3%82%a2%e3%82%ab%e3%82%a6%e3%83%b3%e3%83%88%e5%bc%b7%e5%88%b6%e4%bd%9c%e6%88%90\" >1. Force creation of a WordPress administrator account<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#2wordpress%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%81%8c%e5%8f%a4%e3%81%99%e3%81%8e%e3%82%8b%e5%95%8f%e9%a1%8c\" >2. The problem of using an outdated version of WordPress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#php%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%81%ab%e6%b3%a8%e6%84%8f%e3%81%8c%e5%bf%85%e8%a6%81\" >Pay attention to the PHP version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#wpvivid_backup_migration%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e7%a7%bb%e8%a1%8c\" >Migrate your data with the WPvivid Backup &amp; Migration plugin<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%e8%a7%a3%e8%aa%ac%e5%8b%95%e7%94%bb%e3%82%92%e4%bd%9c%e3%82%8a%e3%81%be%e3%81%97%e3%81%9f%ef%bc%81\" >I made an explanatory video!<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%e7%a7%bb%e8%a1%8c%e5%85%88%e3%82%b5%e3%82%a4%e3%83%88\" >Destination site<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%e7%a7%bb%e8%a1%8c%e5%85%83%e3%82%b5%e3%82%a4%e3%83%88\" >Source site<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#_%e8%87%aa%e5%8b%95%e7%a7%bb%e8%a1%8c%e3%81%ae%e5%a4%b1%e6%95%97\" >&nbsp;Automatic migration failure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%e7%a7%bb%e8%a1%8c%e5%85%83%e3%82%b5%e3%82%a4%e3%83%88%e3%81%a7%e3%83%90%e3%83%83%e3%82%af%e3%82%a2%e3%83%83%e3%83%97%e3%82%92%e4%bd%9c%e6%88%90\" >Create a backup on the source site<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#_%e7%a7%bb%e8%a1%8c%e5%85%88%e3%82%b5%e3%82%a4%e3%83%88%e3%81%a7%e5%be%a9%e5%85%83\" >&nbsp;Restore on the destination site<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress5-x-date-transfar\/#%e6%9c%80%e5%be%8c%e3%81%abwordpress%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%82%92%e3%82%a2%e3%83%83%e3%83%97\" >Finally, update your WordPress version.<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ef%bc%91%ef%bc%8ewordpress%e3%81%ae%e7%ae%a1%e7%90%86%e8%80%85%e3%82%a2%e3%82%ab%e3%82%a6%e3%83%b3%e3%83%88%e5%bc%b7%e5%88%b6%e4%bd%9c%e6%88%90\"><\/span>1. Force creation of a WordPress administrator account<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>There are many cases where people do not know the administrator account, but we were able to successfully log in by forcibly adding administrator information via FTP!<br>\u2192 <a href=\"https:\/\/hanami-web.tokyo.jp\/blog\/en\/website-running\/wordpress\/wordpress-user-add-ftp\/\" target=\"_blank\" rel=\"noopener\" title=\"\">How to forcefully add administrator login user information via FTP in WordPress<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2wordpress%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%81%8c%e5%8f%a4%e3%81%99%e3%81%8e%e3%82%8b%e5%95%8f%e9%a1%8c\"><\/span>2. The problem of using an outdated version of WordPress<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Although I was able to log in, I tried to use xserver&#039;s easy WordPress migration function, but the migration failed.<br>When I checked, I found that the version of WordPress was 5.1.19.<br>Currently it&#039;s 6.8.3, so it&#039;s pretty old.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"389\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1024x389.png\" alt=\"\" class=\"wp-image-14867\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1024x389.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-300x114.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-768x291.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-18x7.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image.png 1497w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>If the WordPress version is too old, even if you use the popular All in one WP Migration plugin, the data migration will fail because the WordPress versions of the source and destination are too different.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"php%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%81%ab%e6%b3%a8%e6%84%8f%e3%81%8c%e5%bf%85%e8%a6%81\"><\/span>Pay attention to the PHP version<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If you do not configure PHP to match the version of WordPress from which you are migrating the data, the restoration will fail with an error.<br>\u2192<a href=\"https:\/\/ja.wordpress.org\/team\/handbook\/core\/references\/php-compatibility-and-wordpress-versions\/\" target=\"_blank\" rel=\"noopener\" title=\"\">PHP Compatibility and WordPress Versions<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"wpvivid_backup_migration%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e7%a7%bb%e8%a1%8c\"><\/span>Migrate your data with the WPvivid Backup &amp; Migration plugin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e8%a7%a3%e8%aa%ac%e5%8b%95%e7%94%bb%e3%82%92%e4%bd%9c%e3%82%8a%e3%81%be%e3%81%97%e3%81%9f%ef%bc%81\"><\/span>I made an explanatory video!<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Easily migrate your WordPress site to another domain with just a click! Introducing WPvivid! Includes migration instructions!\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/QEfdeAYBQDo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>The WPvivid Backup &amp; Migration plugin is a plugin that allows you to issue a key from the destination site and then enter the key into the source site to migrate data.<\/p>\n\n\n\n<p>Destination, Source<br>First, install and activate the WPvivid Backup &amp; Migration plugin on both WordPress sites.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"355\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-1024x355.png\" alt=\"\" class=\"wp-image-14869\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-1024x355.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-300x104.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-768x266.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-1536x533.png 1536w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1-18x6.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-1.png 1693w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e7%a7%bb%e8%a1%8c%e5%85%88%e3%82%b5%e3%82%a4%e3%83%88\"><\/span>Destination site<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WPvivid Backup<\/li>\n\n\n\n<li>Backup &amp; Restore<\/li>\n\n\n\n<li>key<\/li>\n<\/ul>\n\n\n\n<p>Generate the key.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"525\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2-1024x525.png\" alt=\"\" class=\"wp-image-14870\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2-1024x525.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2-300x154.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2-768x394.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2-18x9.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-2.png 1537w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e7%a7%bb%e8%a1%8c%e5%85%83%e3%82%b5%e3%82%a4%e3%83%88\"><\/span>Source site<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WPvivid Backup<\/li>\n\n\n\n<li>Backup &amp; restore<\/li>\n\n\n\n<li>Auto-Migration<\/li>\n<\/ul>\n\n\n\n<p>Enter the key and click the Clone then Transfer button to automatically transfer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"589\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3-1024x589.png\" alt=\"\" class=\"wp-image-14871\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3-1024x589.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3-300x173.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3-768x442.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3-18x10.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-3.png 1142w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_%e8%87%aa%e5%8b%95%e7%a7%bb%e8%a1%8c%e3%81%ae%e5%a4%b1%e6%95%97\"><\/span>&nbsp;Automatic migration failure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-heading\">&nbsp;A server certification error occurred and automatic migration was not possible.<br>I also manually migrated the data, so I will show you the steps.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e7%a7%bb%e8%a1%8c%e5%85%83%e3%82%b5%e3%82%a4%e3%83%88%e3%81%a7%e3%83%90%e3%83%83%e3%82%af%e3%82%a2%e3%83%83%e3%83%97%e3%82%92%e4%bd%9c%e6%88%90\"><\/span>Create a backup on the source site<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WPvivid Backup<\/li>\n\n\n\n<li>Backup &amp; Restore<\/li>\n<\/ul>\n\n\n\n<p>This screen allows you to create a backup file.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"500\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4-1024x500.png\" alt=\"\" class=\"wp-image-14872\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4-1024x500.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4-300x147.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4-768x375.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4-18x9.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-4.png 1488w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-heading\">Download it to your computer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"257\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5-1024x257.png\" alt=\"\" class=\"wp-image-14873\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5-1024x257.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5-300x75.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5-768x192.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5-18x5.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-5.png 1317w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_%e7%a7%bb%e8%a1%8c%e5%85%88%e3%82%b5%e3%82%a4%e3%83%88%e3%81%a7%e5%be%a9%e5%85%83\"><\/span>&nbsp;Restore on the destination site<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Upload the backup file you downloaded from the source site using the Upload button at the bottom of the same screen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"413\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6-1024x413.png\" alt=\"\" class=\"wp-image-14874\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6-1024x413.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6-300x121.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6-768x310.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6-18x7.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-6.png 1322w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Just press the restore button and wait.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"230\" src=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7-1024x230.png\" alt=\"\" class=\"wp-image-14875\" srcset=\"https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7-1024x230.png 1024w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7-300x68.png 300w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7-768x173.png 768w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7-18x4.png 18w, https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/image-7.png 1302w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e6%9c%80%e5%be%8c%e3%81%abwordpress%e3%81%ae%e3%83%90%e3%83%bc%e3%82%b8%e3%83%a7%e3%83%b3%e3%82%92%e3%82%a2%e3%83%83%e3%83%97\"><\/span>Finally, update your WordPress version.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Although there is a high possibility of an error occurring, we will update your latest WordPress version and revert your PHP version to the recommended version.<br>This time, the upgrade was successful without any errors! I was lucky.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u3092\u30b5\u30fc\u30d0\u30fc\u79fb\u884c\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c \u30cf\u30fc\u30c9\u30eb\u306e\u9ad8\u3044\u5927\u304d\u306a\u554f\u984c\u304c2\u3064\u767a\u899a\u3057\u307e\u3057\u305f\u3002 \uff11\uff0eWordPress\u306e\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u5f37\u5236\u4f5c\u6210 \u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u308f\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u4e8b\u4f8b\u306f\u7d50\u69cb\u591a\u304f\u3001FTP\u304b\u3089\u5f37\u5236\u7684\u306b\u7ba1\u7406 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14876,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_uag_custom_page_level_css":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-14866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-website-running"],"blocksy_meta":[],"aioseo_notices":[],"uagb_featured_image_src":{"full":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other.png",720,540,false],"thumbnail":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other-150x150.png",150,150,true],"medium":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other-300x225.png",300,225,true],"medium_large":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other.png",720,540,false],"large":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other.png",720,540,false],"1536x1536":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other.png",720,540,false],"2048x2048":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other.png",720,540,false],"trp-custom-language-flag":["https:\/\/hanami-web.tokyo.jp\/blog\/wp-content\/uploads\/2025\/10\/Other-16x12.png",16,12,true]},"uagb_author_info":{"display_name":"\u682a\u5f0f\u4f1a\u793eHanamiWEB \u4ee3\u8868\u53d6\u7de0\u5f79 \u677e\u6d66\u307f\u3055","author_link":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/author\/hanami\/"},"uagb_comment_info":0,"uagb_excerpt":"\u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u3092\u30b5\u30fc\u30d0\u30fc\u79fb\u884c\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c \u30cf\u30fc\u30c9\u30eb\u306e\u9ad8\u3044\u5927\u304d\u306a\u554f\u984c\u304c2\u3064\u767a\u899a\u3057\u307e\u3057\u305f\u3002 \uff11\uff0eWord&hellip;","brizy_media":[],"_links":{"self":[{"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/posts\/14866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/comments?post=14866"}],"version-history":[{"count":0,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/posts\/14866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/media\/14876"}],"wp:attachment":[{"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/media?parent=14866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/categories?post=14866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hanami-web.tokyo.jp\/blog\/en\/wp-json\/wp\/v2\/tags?post=14866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}