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WordPress Troubleshooting: Common Errors & How to Fix Them
Having trouble with your WordPress website? Explore practical step-by-step guides for database errors, blank pages, server problems, failed updates, and website migrations. Find the information you need to troubleshoot common issues and restore your website.
What's Wrong With Your WordPress Website?
Database Connection Error
Symptoms
Error Establishing a Database Connection.
WordPress cannot connect to MySQL or MariaDB.
Website content fails to load.
HTTP 500 Internal Server Error
Symptoms
HTTP ERROR 500.
Server cannot complete the request.
Website fails after plugin or PHP changes.
WordPress Stuck in Maintenance Mode
Symptoms
Briefly unavailable for scheduled maintenance.
Website remains inaccessible after updates.
Maintenance message does not disappear.
WordPress White Screen of Death
Symptoms
Blank white page.
WordPress critical error message.
Dashboard or public website inaccessible.
Website Broken After Migration
Symptoms
Broken images or links.
SSL or DNS errors.
Website fails after moving hosting providers.
Step-by-Step WordPress Troubleshooting Guides
How to Fix Error Establishing a Database Connection in WordPress
Learn how to check WordPress database credentials, database connectivity, permissions, and common MySQL or MariaDB problems.
Read GuideHow to Fix WordPress 500 Internal Server Error (Step-by-Step Guide)
Troubleshoot PHP errors, plugin conflicts, server configuration issues, and other common causes of HTTP 500 errors.
Read GuideHow to Fix WordPress Stuck in Maintenance Mode (Step-by-Step Guide)
Understand why WordPress can become stuck during an update and how to safely restore normal access.
Read GuideHow to Fix the WordPress White Screen of Death (Step-by-Step Guide)
Diagnose blank pages, PHP fatal errors, plugin conflicts, theme issues, and WordPress critical errors.
Read GuideWordPress Migration Problems: Common Issues and How to Fix Them
Troubleshoot DNS, SSL, database, URL, and configuration problems after moving a WordPress website.
Read GuideBasic WordPress Troubleshooting Checklist
1. Record the exact error message, failing URL, and time.
2. Check whether the WordPress dashboard is accessible.
3. Identify recent updates or configuration changes.
4. Back up files and the database where possible.
5. Review matching WordPress or hosting logs.
6. Check whether one page or the entire website is affected.
7. Check hosting availability and resource warnings.
8. Use the guide that matches the observed symptom.
Protect Your Website Before Making Changes
Before changing plugins, themes, or configuration files, make sure you have a reliable backup. Preserve the original settings and use staging where practical. Make one targeted change at a time; live tests can temporarily disable important features.
If a fresh backup cannot be made, preserve existing copies and ask the responsible provider about recovery options. A restore may overwrite newer orders, submissions, or content. Do not disable security protections indiscriminately or publish sensitive logs and credentials.
Common WordPress Errors Explained
These common possibilities provide a starting point, not a guaranteed diagnosis. Keep the exact message and request context, then use current logs to identify the failing layer. A cached page can hide an application error.
Error
Error Establishing a Database Connection
Common cause
Database configuration or connectivity failure.
Recommended resource
How to Fix Error Establishing a Database Connection in WordPress
Error
HTTP ERROR 500
Common cause
Server-side application or configuration error.
Recommended resource
How to Fix WordPress 500 Internal Server Error (Step-by-Step Guide)
Error
Briefly unavailable for scheduled maintenance
Common cause
Normal active update, or interrupted/incomplete update cleanup.
Recommended resource
How to Fix WordPress Stuck in Maintenance Mode (Step-by-Step Guide)
Error
There has been a critical error on this website
Common cause
PHP fatal error or related application failure.
Recommended resource
How to Fix the WordPress White Screen of Death (Step-by-Step Guide)
Error
Website not working after migration
Common cause
DNS, database, SSL, URL, or server configuration differences.
Recommended next step
Use the checklist and ask your provider for the matching logs.
WordPress Website Not Working After an Update?
Plugin, theme, and core updates can expose compatibility issues, PHP fatal errors, changed functionality, dependency failures, and missing or incomplete files. A maintenance notice can also mean an update is still running; do not remove its indicator before confirming the update has stopped.
Record the attempted version and update result, review matching logs, and verify PHP and dependency requirements. Preserve backups and a rollback route before replacing files or restoring data. Removing a maintenance indicator does not repair an incomplete update.
Diagnose blank pages and critical errors
When WordPress Problems Come From Hosting
PHP version incompatibility, insufficient resources, database service outages, disk exhaustion, file ownership/permissions, and PHP-FPM or web-server configuration errors can prevent WordPress from loading. The same visible error may also come from application code; use the logs rather than assuming the host is responsible.
Shared or managed-hosting customers may need the provider to inspect service-level logs and controls. Authorized server administrators should follow their operating procedures. Do not restart shared infrastructure or reset permissions broadly to bypass a failure.
Explore Hostingcone Web Hosting
A suitable hosting environment supports the site’s requirements, but hosting alone does not prevent every plugin, code, database, or configuration failure. No uninterrupted-service outcome is promised.
Free Tools for Website Troubleshooting
DNS Lookup Tool
Check public DNS records to investigate domain resolution and email-routing problems. Selected common-hostname checks are not a complete DNS zone inventory. Cached answers and proxy addresses need careful interpretation.
Check Public DNS RecordsSSL Certificate Checker
Inspect publicly presented certificate details, including expiration and hostname coverage. A public check normally sees a proxy’s edge certificate rather than its hidden origin, and does not perform a full security audit.
Check SSL CertificateNeed Professional Help Fixing Your WordPress Website?
Some WordPress issues require deeper investigation into plugins, themes, PHP errors, server configuration, or database connectivity. Hostingcone offers support and repair services for supported website problems.
WordPress Support
$79 one-time
Diagnosis and up to 1 hour of troubleshooting for one WordPress website. For supported functionality and configuration problems. Additional work requires approval and may incur additional charges.
Website Repair
Starting at $99
For diagnosing and addressing supported errors or broken functionality. Final pricing depends on complexity, urgency, and the amount of work required.
WordPress Maintenance
For ongoing updates, routine care, and maintenance within the published service or plan scope. Review available plans and limitations; no unlimited support or guaranteed repair outcome is assumed.
Explore MaintenanceWebsite Migration
$149 one-time
Applies to one standard WordPress website migration. Additional work requires approval and may incur additional charges. Review access requirements and exclusions.
Compare Website Care plans and related website services
Use the existing service workflows to purchase fixed-scope help or request an assessment. Customer cooperation and secure access may be required. Third-party software, hosting environments, and vendors can affect results; no unlimited work, repair guarantee, or response time is promised.
Keep Your WordPress Website Running Smoothly
Maintain reliable, verified backups and a recovery plan. Test significant updates in staging, use compatible plugins and themes, review PHP requirements, and keep supported components updated. Remove unnecessary or abandoned plugins through a planned change process.
Monitor availability, maintain suitable hosting resources, and review current error logs when problems occur. Document important code and configuration changes. Use appropriate access controls, security, and routine maintenance rather than relying on any single tool.
Explore WordPress Maintenance for ongoing upkeep
These practices reduce avoidable problems and improve recovery readiness. They cannot eliminate every failure, guarantee uptime, or guarantee restoration of every recent change.
Frequently Asked Questions
Why is my WordPress website suddenly not working?
An update, code change, database problem, resource limit, or hosting incident may be involved. Record the exact message and affected request, review recent changes and matching logs, and use the relevant guide rather than assuming a single cause.
How do I troubleshoot WordPress without wp-admin access?
Check for a private Recovery Mode email where available, then use authorized hosting logs and File Manager or SFTP for targeted investigation. Preserve backups and original settings. Seek provider assistance when necessary access or expertise is unavailable.
What does Error Establishing a Database Connection mean?
WordPress cannot obtain the database access it needs. Credentials, endpoint settings, user permissions, service availability, and connectivity can contribute. The message does not establish that the database was deleted.
How do I fix a WordPress 500 Internal Server Error?
Review the failing request and current PHP/web-server logs, preserve backups, and test the implicated component or configuration one change at a time. A 500 status alone does not identify a faulty plugin or hosting setting.
Why is WordPress stuck in maintenance mode?
An active update normally enables a temporary notice. Interrupted updates, failed cleanup, cached responses, or a separate maintenance plugin can make it persist. Confirm the source and update status before removing the standard indicator.
What causes the WordPress White Screen of Death?
PHP fatal errors, plugin/theme incompatibility, memory exhaustion, failed updates, or server problems can cause blank output. Modern WordPress may show a critical-error notice instead. Logs and request context distinguish the cause.
Can plugins cause WordPress website errors?
Yes. Incompatible code, missing dependencies, or resource-heavy operations can contribute. Use matching logs and a controlled test rather than deleting or disabling everything. Must-use plugins and drop-ins can load separately from ordinary plugins.
Can a hosting problem break my WordPress website?
Yes. Service outages, PHP configuration, storage/resource limits, or ownership problems can prevent requests from completing. Application code can produce similar symptoms, so the status alone does not assign responsibility.
How do I troubleshoot WordPress after migration?
Confirm DNS/proxy routing and the intended destination, then check TLS, database access, files, URLs, PHP compatibility, redirects, forms, and email. Preserve the source and coordinate dynamic-data cutover to avoid overwriting new activity.
When should I contact WordPress support?
Ask for help when the site remains inaccessible, logs are unclear, recovery is risky, or the required file/server access is beyond your authorization or expertise. Share redacted evidence and use a secure process if credentials are needed.
Get Your WordPress Website Working Again
Find practical troubleshooting guides or get help diagnosing supported WordPress and website configuration issues.