{"id":34311,"date":"2026-01-30T11:28:55","date_gmt":"2026-01-30T11:28:55","guid":{"rendered":"https:\/\/1grid.co.za\/knowledge\/?post_type=ht_kb&#038;p=34311"},"modified":"2026-01-30T11:28:57","modified_gmt":"2026-01-30T11:28:57","slug":"fix-wordpress-critical-error","status":"publish","type":"ht_kb","link":"https:\/\/1grid.co.za\/knowledge\/how-to-fix-the-critical-error-in-wordpress\/","title":{"rendered":"How to Fix the Critical Error in WordPress"},"content":{"rendered":"\n<p>Seeing a&nbsp;<strong>\u201cThere has been a critical error on this website\u201d<\/strong>&nbsp;message can feel alarming, but the good news is that this issue is usually fixable with a few quick checks.&nbsp;&nbsp;<br>&nbsp;<br>This guide will walk you through what the error means, why it happens, and how to restore your website safely.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"600\" src=\"https:\/\/1grid.co.za\/knowledge\/wp-content\/uploads\/2026\/01\/1-grid-Images-for-KB-Articles-1000-x-600-px-41.png\" alt=\"Critical Error in WordPress\" class=\"wp-image-34312\"\/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-ht-block-toc is-style-rounded htoc htoc--position-wide toc-list-style-plain\" data-htoc-state=\"expanded\"><span class=\"htoc__title\"><span class=\"ht_toc_title\">Table of Contents<\/span><span class=\"htoc__toggle\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\"><g fill=\"#444\"><path d=\"M15 7H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><path d=\"M15 1H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1zM15 13H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><\/g><\/svg><\/span><\/span><div class=\"htoc__itemswrap\"><ul class=\"ht_toc_list\"><li class=\"\"><a href=\"#htoc-what-this-error-means\">What This Error Means&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-why-this-happens\">Why This Happens&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-before-you-start-back-up-your-website\">Before You Start: Back Up Your Website\u00a0<\/a><\/li><li class=\"\"><a href=\"#htoc-how-to-fix-the-wordpress-critical-error\">How to Fix the WordPress Critical Error&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-faqs\">FAQs&nbsp;&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-additional-resources\">Additional&nbsp;Resources&nbsp;<\/a><\/li><\/ul><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-what-this-error-means\"><strong>What This Error Means<\/strong>&nbsp;<\/h2>\n\n\n\n<p>A WordPress critical error happens when something prevents your website from loading correctly. This is&nbsp;most&nbsp;<strong>commonly caused&nbsp;by<\/strong>:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-a-faulty-plugin\">A faulty <strong><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=plugin&amp;ht-kb-search=1&amp;lang=\">plugin<\/a>\u00a0<\/strong><\/li>\n\n\n\n<li id=\"htoc-a-broken-or-incompatible-theme\">A broken or incompatible <strong><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=theme&amp;ht-kb-search=1&amp;lang=\">theme<\/a>\u00a0<\/strong><\/li>\n\n\n\n<li id=\"htoc-an-issue-with-your-php-version\">An issue with your<strong> <a href=\"https:\/\/1grid.co.za\/knowledge\/?s=PHP&amp;ht-kb-search=1&amp;lang=\">PHP<\/a> <\/strong>version\u00a0<\/li>\n\n\n\n<li id=\"htoc-corrupted-files\">Corrupted files\u00a0<\/li>\n\n\n\n<li id=\"htoc-recent-changes-that-conflict-with-your-site-setup\">Recent changes that conflict with your site setup\u00a0<\/li>\n<\/ul>\n\n\n\n<p>When WordPress detects this, it enters&nbsp;<strong>\u201c<\/strong><a href=\"https:\/\/www.wpbeginner.com\/wp-tutorials\/how-to-use-wordpress-recovery-mode\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>recovery mode<\/strong><\/a><strong>\u201d<\/strong>, allowing you to fix the issue without losing access to your dashboard.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-why-this-happens\"><strong>Why This Happens<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Although<strong>&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/hosting\/wordpress-hosting\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>WordPress<\/strong><\/a><strong>&nbsp;<\/strong>is powerful, small issues can cause major interruptions. This error usually appears after:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-updating-plugins-or-themes\">Updating <a href=\"https:\/\/1grid.co.za\/knowledge\/?s=plugin&amp;ht-kb-search=1&amp;lang=\"><strong>plugins<\/strong><\/a> or<strong> <a href=\"https:\/\/1grid.co.za\/knowledge\/?s=theme&amp;ht-kb-search=1&amp;lang=\">themes<\/a>\u00a0<\/strong><\/li>\n\n\n\n<li id=\"htoc-installing-a-new-plugin\">Installing a new<strong> <a href=\"https:\/\/1grid.co.za\/knowledge\/?s=plugin&amp;ht-kb-search=1&amp;lang=\">plugin<\/a>\u00a0<\/strong><\/li>\n\n\n\n<li id=\"htoc-changing-your-php-version\">Changing your<strong> <a href=\"https:\/\/1grid.co.za\/knowledge\/?s=PHP&amp;ht-kb-search=1&amp;lang=\">PHP<\/a> <\/strong>version\u00a0<\/li>\n\n\n\n<li id=\"htoc-editing-theme-files-or-custom-code\">Editing theme files or custom code\u00a0<\/li>\n\n\n\n<li id=\"htoc-migrating-your-website\">Migrating your website\u00a0<\/li>\n\n\n\n<li id=\"htoc-conflicts-between-plugins-or-incompatible-versions\">Conflicts between plugins or incompatible versions\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Understanding the cause helps you apply the right fix.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-before-you-start-back-up-your-website\"><strong>Before You Start: Back Up Your Website<\/strong>\u00a0<\/h2>\n\n\n\n<p>Before making any changes, we strongly recommend ensuring you have a recent backup. If&nbsp;you\u2019re&nbsp;using&nbsp;<a href=\"https:\/\/1grid.co.za\/website-security\/website-backups\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Acronis Backup<\/strong><\/a>, you can restore or download&nbsp;a previous&nbsp;working version quickly.&nbsp;<\/p>\n\n\n\n<p>Here are\u00a0some helpful resources\u00a0to\u00a0assist\u00a0with this, or if you need to\u00a0purchase<strong>\u00a0<a href=\"https:\/\/1grid.co.za\/website-security\/website-backups\/\">Essential Backup<\/a><\/strong> for your website:\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-how-to-restore-or-download-backups-in-cpanel-acronis\"><a href=\"https:\/\/1grid.co.za\/knowledge\/cpanel-how-to-restore-or-download-backups-using-acronis\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>How to Restore or Download Backups in cPanel (Acronis)<\/strong><\/a>\u00a0<\/li>\n\n\n\n<li id=\"htoc-how-to-purchase-an-acronis-backup\"><a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-purchase-an-acronis-backup\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>How to Purchase an Acronis Backup<\/strong><\/a>\u00a0<\/li>\n\n\n\n<li id=\"htoc-website-backups-on-1-grid\"><a href=\"https:\/\/1grid.co.za\/website-security\/website-backups\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Website Backups on 1-grid<\/strong><\/a>\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-how-to-fix-the-wordpress-critical-error\"><strong>How to Fix the WordPress Critical Error<\/strong>&nbsp;<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>1. Try WordPress Recovery Mode (If Available)\u00a0<\/strong><\/summary>\n<p id=\"htoc-1-try-wordpress-recovery-mode-if-available\">If WordPress&nbsp;emailed&nbsp;you a \u201crecovery mode\u201d link, click it and log in.&nbsp;<\/p>\n\n\n\n<p id=\"htoc-you-will-see-a-message-identifying-the-faulty-plugin-or-theme\">You will see a message&nbsp;identifying&nbsp;the faulty plugin or theme.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Save changes and reload your site\u00a0<\/li>\n\n\n\n<li>Disable the problematic plugin\u00a0<\/li>\n\n\n\n<li>Switch to a default theme if necessary\u00a0<\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>2. Disable All Plugins Manually (File Manager Method)<\/strong><\/summary>\n<p id=\"htoc-2-disable-all-plugins-manually-file-manager-method\">\u00a0If recovery mode&nbsp;isn\u2019t&nbsp;available, you can<strong>&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/wordpress-how-to-enable-disable-or-delete-plugins\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>disable or&nbsp;delete&nbsp;your plugins<\/strong><\/a>:&nbsp;<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li id=\"htoc-log-in-to-your-hosting-control-panel\">Log in to your hosting control panel.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-open-file-manager\">Open&nbsp;<strong>File&nbsp;Manager<\/strong>.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-navigate-to-public-html-wp-content-plugins\">Navigate to \/public_html\/wp-content\/plugins\/&nbsp;<\/li>\n\n\n\n<li>Rename the&nbsp;<strong>plugins<\/strong>&nbsp;folder to:&nbsp;\n<ul class=\"wp-block-list\">\n<li id=\"htoc-plugins-disabled\">plugins-disabled&nbsp;<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p id=\"htoc-your-site-will-load-without-plugins-confirming-whether-one-of-them-caused-the-issue-so-troubleshooting-this-may-be-an-important-step-for-you-next\">Your site will load without plugins, confirming whether one of them caused the&nbsp;issue,&nbsp;so<strong>&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/wordpress-troubleshooting-themes-and-plugins\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>troubleshooting<\/strong><\/a>&nbsp;this may be&nbsp;an important step&nbsp;for you.&nbsp;<br>&nbsp;<br>Next:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identify\u00a0the faulty plugin\u00a0<\/li>\n\n\n\n<li>Restore the folder name\u00a0<\/li>\n\n\n\n<li>Reactivate plugins one by one\u00a0<\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>3. Switch to a Default Theme\u00a0<\/strong><\/summary>\n<p id=\"htoc-3-switch-to-a-default-theme\">If plugins&nbsp;aren\u2019t&nbsp;the issue:&nbsp;<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li id=\"htoc-open-file-manager1\">Open&nbsp;<strong>File Manager<\/strong>&nbsp;<\/li>\n\n\n\n<li id=\"htoc-go-to-wp-content-themes\">Go to \/wp-content\/themes\/&nbsp;<\/li>\n\n\n\n<li id=\"htoc-rename-your-active-theme-folder\">Rename your active theme folder&nbsp;<\/li>\n\n\n\n<li id=\"htoc-wordpress-will-automatically-fallback-to-a-default-theme-such-as-twentytwenty-four\">WordPress will&nbsp;automatically&nbsp;fallback to a default theme (such as&nbsp;TwentyTwenty-Four)&nbsp;<\/li>\n<\/ol>\n\n\n\n<p id=\"htoc-3-switch-to-a-default-theme1\">If the site loads,&nbsp;your<strong>&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/wordpress-troubleshooting-themes-and-plugins\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>theme<\/strong><\/a>&nbsp;was the cause.&nbsp;<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>4. Check Your PHP Version\u00a0<\/strong><\/summary>\n<p id=\"htoc-4-check-your-php-version\">Many plugins require a specific<strong>&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=php&amp;ht-kb-search=1&amp;lang=\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>PHP<\/strong><\/a>&nbsp;version.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reload your website\u00a0<\/li>\n\n\n\n<li>Log in to your hosting panel\u00a0<\/li>\n\n\n\n<li>View your current PHP version\u00a0<\/li>\n\n\n\n<li>Change to a supported version (e.g.\u00a0PHP 8.1 or 8.2)\u00a0<\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>5. Restore a Working Backup\u00a0<\/strong><\/summary>\n<p id=\"htoc-4-check-your-php-version1\">If the issue started after a change you made:\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Restore the most recent Acronis backup&nbsp;<\/li>\n\n\n\n<li id=\"htoc-reload-your-website1\">Reload your website&nbsp;<\/li>\n\n\n\n<li id=\"htoc-test-your-plugins-and-theme-afterwards\">Test your plugins and theme afterwards\u00a0<\/li>\n<\/ul>\n\n\n\n<p id=\"htoc-\">Backups are the quickest way to recover from major errors or corruption.<\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-faqs\"><strong>FAQs<\/strong><strong>&nbsp;<\/strong>&nbsp;<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Q.\u00a0Why did my WordPress site break after an update?\u00a0<\/strong><\/summary>\n<p id=\"htoc-1-why-did-my-wordpress-site-break-after-an-update-updates-can-sometimes-conflict-with-older-themes-or-plugins\">Updates can sometimes conflict with older themes or plugins.\u00a0<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Q. Will disabling plugins break my website?\u00a0<\/strong><\/summary>\n<p id=\"htoc-2-will-disabling-plugins-break-my-website-only-temporarily-you-can-reactivate-them-once-you-ve-identified-the-issue\">Only temporarily. You can reactivate them once\u00a0you\u2019ve\u00a0identified\u00a0the issue.\u00a0<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Q. If I\u00a0don\u2019t\u00a0have a backup, what should I do?\u00a0<\/strong><\/summary>\n<p id=\"htoc-3-if-i-don-t-have-a-backup-what-should-i-do-you-can-still-recover-by-disabling-plugins-switching-themes-or-resetting-php\">You can still recover by disabling plugins, switching themes, or resetting PHP.\u00a0<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Q. Can 1-grid fix this error for me?\u00a0<\/strong><\/summary>\n<p id=\"htoc-4-can-1-grid-fix-this-error-for-me-we-provide-guidance-and-tools-deep-debugging-or-code-repairs-may-fall-under-paid-advanced-support\">We provide guidance and tools. Deep debugging or code repairs may fall under<strong>\u00a0<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/1-grid-scope-of-support\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Paid Advanced Support<\/strong><\/a>.\u00a0<\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-additional-resources\"><strong>Additional&nbsp;Resources<\/strong>&nbsp;<\/h2>\n\n\n\n<p><a href=\"https:\/\/1grid.co.za\/knowledge\/top-10-common-wordpress-issues\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Top 10 Common WordPress Issues<\/strong><\/a><strong><\/strong>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-need-additional-support\"><strong>Need Additional Support?<\/strong>&nbsp;<\/h2>\n\n\n\n<p><strong>We&#8217;re&nbsp;Here to&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Help<\/strong><\/a><strong>:<\/strong>&nbsp;<\/p>\n\n\n\n<p>Fixing a critical error&nbsp;on&nbsp;your WordPress website&nbsp;doesn\u2019t&nbsp;have to feel technical&nbsp;with this&nbsp;easy-to-reference guide. Stuck?&nbsp;Contact our Support Team for&nbsp;clarity and&nbsp;guidance&nbsp;(<a href=\"https:\/\/1grid.co.za\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/1grid.co.za\/contact-us\/<\/strong><\/a>).&nbsp;We&#8217;re&nbsp;ready&nbsp;to see how we can help!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seeing a&nbsp;\u201cThere has been a critical error on this website\u201d&nbsp;message can feel alarming, but the good news is that this issue is usually fixable with a few quick checks.&nbsp;&nbsp;&nbsp;This guide will walk you through what the error means, why it happens, and how to restore your website safely.&nbsp; What This&#8230;<\/p>\n","protected":false},"author":21,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"ht-kb-category":[1201,24,27],"ht-kb-tag":[125,1623,738,1046,1624,1150],"class_list":["post-34311","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-troubleshooting-website","ht_kb_category-website","ht_kb_category-wordpress","ht_kb_tag-backup","ht_kb_tag-critical-error","ht_kb_tag-php","ht_kb_tag-troubleshooting","ht_kb_tag-website-error","ht_kb_tag-wordpress"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - 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