Critical Error
Fix WordPress critical errors before you lose more traffic
There has been a critical error on your website is not a diagnosis. It is a symptom. BugShield developers find the plugin, theme, or server cause and fix it at a confirmed price.
from £49.99
Fix my critical errorThe Problem
Signs you have a WordPress critical error
A white or blank page instead of your homepage.
The message: There has been a critical error on this website.
wp-admin shows a fatal error mentioning a plugin or theme file.
Your site worked until a plugin or WordPress core update.
PHP memory limit or syntax errors in error logs.
The Answer
What causes WordPress critical errors?
Critical errors happen when PHP hits a fatal error, usually a plugin conflict, incompatible code after an update, corrupted files, or a theme calling a function that no longer exists. WordPress hides the details by default, which is why the message feels so vague.
Our developers enable debugging safely, isolate the faulty plugin or theme, restore functionality, and leave your site stable. You get a BugShield developer, not a ticket queue.
How It Works
How we fix a WordPress critical error
Share what you see
Screenshot the error, note any recent updates, and tell us which pages are affected.
Get a fixed quote
Critical error fixes are priced upfront, typically £49.99 for a single root cause.
We isolate and repair
Your developer disables the conflict, repairs files, or rolls back the breaking change safely.
What causes WordPress critical errors?
A critical error occurs when PHP encounters a fatal problem it cannot recover from. WordPress catches the crash and shows a generic message instead of the technical details, which is why the error feels unhelpful.
Common causes include incompatible plugins after an update, a theme calling a removed function, corrupted files, PHP version changes on your host, or memory limit exhaustion.
- Plugin or theme incompatible with a new WordPress version
- PHP fatal error in functions.php or a plugin file
- Corrupted WordPress core or plugin files
- PHP memory limit too low for your plugin stack
- Failed update leaving the site in a broken state
How developers diagnose critical errors
The first step is enabling safe debug logging to capture the actual PHP error without exposing it to visitors. From there, developers check error logs, isolate plugins and themes, and identify the specific file and line causing the crash.
Once the conflict is found, the fix might be a version rollback, a settings change, a file repair, or replacing an incompatible plugin.
When to get professional help
If renaming the plugins folder via FTP did not work, or you are running a live shop where downtime costs revenue, professional help is usually faster and safer than trial and error.
BugShield fixes critical errors from £49.99 with a confirmed quote before you pay and direct chat with your assigned developer throughout.
FAQ
WordPress critical error FAQs
How much does it cost to fix a WordPress critical error?
BugShield one-off critical error fixes start from £49.99 with a confirmed quote before you pay.
Will fixing a critical error break my site further?
Our developers work from backups where needed and test changes before handing the site back. You can chat with them throughout the fix.
Is a critical error the same as the white screen of death?
Often yes. Both usually mean PHP crashed. We fix both, see our white screen and 500 error pages for related issues.
What does 'There has been a critical error on this website' mean?
It means PHP hit a fatal error and WordPress stopped loading. The actual cause is usually a plugin, theme, or server configuration issue hidden behind that generic message.
Can I fix a critical error by deactivating plugins myself?
Sometimes, by renaming the plugins folder via FTP. If you are unsure or the site is live, a developer can isolate the conflict safely without extended downtime.
Will I lose my WordPress content fixing a critical error?
No. Critical error fixes target the code causing the crash. Your posts, pages, and database data remain intact.
How long does a critical error fix take?
Many are resolved in a single session once the faulty plugin or theme is identified. We assign a developer within 24 hours on one-off requests.
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Fix my critical error