Errors
Practical WordPress error troubleshooting.
Follow clear checks for critical errors, white screens, database failures and broken updates, with safer recovery routes when the dashboard is unavailable.
Tutorials
Guides in this topic
A WordPress error message rarely identifies the exact plugin, file or server limit behind the fault. Choose the symptom that matches your site, make a backup where access allows, and work through the checks in order.
Error fix
How to fix a WordPress critical error
Learn how to fix a WordPress critical error safely. Find the real error, use recovery mode, isolate plugins or themes, and restore wp-admin access.
WSOD
How to fix the WordPress white screen of death
Fix the WordPress white screen of death: enable debug logging, isolate plugins via File Manager or SFTP, switch themes, and read PHP error logs.
Database
How to fix a WordPress database connection error
Fix WordPress database connection errors: check wp-config credentials, restart MySQL, repair tables, and rule out hosting outages.
HTTP 500
How to fix a WordPress 500 internal server error
Fix WordPress 500 internal server errors: read server logs, fix .htaccess, raise PHP limits, disable plugins via FTP, and recover when the site shows HTTP 500.
HTTP 403
How to fix a WordPress 403 forbidden error
Fix WordPress 403 forbidden errors: correct file permissions, fix .htaccess deny rules, resolve mod_security blocks, and restore wp-admin access.
Memory
How to fix WordPress memory limit exhausted errors
Fix WordPress memory exhausted errors: raise WP_MEMORY_LIMIT, increase PHP memory in hosting, and find plugins that leak memory.
Parse error
How to fix a WordPress parse error or syntax error
Fix WordPress parse and PHP syntax errors: find the bad file from the message, restore from backup, and recover after editing functions.php.
Timeout
How to fix WordPress maximum execution time errors
Fix WordPress maximum execution time errors: raise PHP max_execution_time, tune wp-config, and fix slow plugins, imports, and cron jobs.
AJAX
How to fix WordPress AJAX and admin errors
Fix WordPress admin-ajax.php errors: debug 400 and 500 responses, fix nonce failures, resolve plugin conflicts, and restore editor and media library actions.
Layout
How to fix a broken WordPress layout after an update
Fix broken WordPress layouts after updates: clear caches, regenerate CSS, roll back plugins or themes, and restore Elementor or block styles.
Keep troubleshooting
More WordPress how-to guides
Move to another topic when the evidence points beyond this part of WordPress. Each guide keeps the diagnosis focused and the next step reversible.
- Security WordPress security guides Certificates, mixed content, HTTPS redirects, and hardening basics.
- Plugins WordPress plugin tutorials Install, update, deactivate, and roll back plugins and themes safely.
- Administration WordPress administration guides Backups, migrations, user roles, and safe config changes.
- WooCommerce WooCommerce troubleshooting guides Checkout, payments, shipping, and shop issues that stop orders.
- Performance WordPress performance guides Caching, images, database bloat, and slow admin fixes.
Questions answered
WordPress error troubleshooting FAQs
Answers to common questions about diagnosing WordPress faults without making the original problem harder to recover.
Where should WordPress error troubleshooting begin?
Record the exact message, affected URL and time the error appeared, then check what changed immediately beforehand. Take a backup if the site is still accessible and review the PHP or WordPress error log before changing plugins, themes or files.
How do I turn on WordPress debugging safely?
Enable logging in wp-config.php so errors are written to wp-content/debug.log, but keep on-screen error display disabled on a live site. Remove or disable temporary debugging settings after you have captured the fault.
How can I tell whether a plugin caused the error?
Check whether the fault began after a plugin install or update. On staging, deactivate likely plugins one at a time and repeat the failing action. If wp-admin is unavailable, rename the relevant plugin directory through SFTP or the hosting file manager.
Can I troubleshoot WordPress when wp-admin will not load?
Yes. Hosting tools, SFTP, SSH and WP-CLI can provide access to files, logs, plugins and themes without wp-admin. Make a backup before renaming directories or editing wp-config.php, and change one thing at a time.
Should I restore a backup as soon as WordPress breaks?
Not automatically. First confirm when the backup was created and what orders, form entries or content would be lost. A targeted rollback may preserve more recent data, while a full restore is useful when the affected files and database state are known.
What information helps diagnose a WordPress error?
Keep the error text, screenshots, affected URLs, recent updates, PHP version, WordPress version and relevant log entries. Note whether the problem affects every visitor, only logged-in users or one browser or action.
Should WordPress error troubleshooting happen on staging?
Use staging for plugin isolation, theme switches, PHP changes and database work whenever the fault can be reproduced there. Live checks may still be needed for payment callbacks, caching or hosting behaviour, but they should be controlled and reversible.
What usually causes a WordPress database connection error?
Common causes include incorrect database credentials, an unavailable database server, a damaged table or an exhausted hosting limit. Check service status and wp-config.php values before attempting a database repair.
When should I stop trying to fix a WordPress error myself?
Pause if the next step could overwrite current data, alter payments, expose credentials or remove the only working backup. Developer help is also sensible when the error is intermittent, security-related or only reproducible on the live site.
Can a BugShield developer troubleshoot the error for me?
Yes. Submit the visible symptom, what changed and any logs you already have. You can share access through the Password Vault and approve the confirmed price before work begins.
Still stuck on the WordPress error?
Send us the error message and what changed before it appeared. You will see the price before a BugShield developer begins the fix.
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