WordPress is generally reliable, but errors can occur due to plugin conflicts, theme issues, server problems, or configuration mistakes. Knowing how to diagnose and fix common WordPress errors helps you resolve issues quickly and minimize downtime. Here are the most common WordPress errors and their solutions.The White Screen of Death displays a blank white page with no error message. This is usually caused by a PHP memory limit exhaustion or a fatal error in a plugin or theme. Fix it by increasing your PHP memory limit in wp-config.php, deactivating all plugins via FTP, or switching to a default theme temporarily to identify the conflict.Error establishing a database connection appears when WordPress cannot connect to your database.
Why Common WordPress Errors and Solutions
This is often caused by incorrect database credentials in wp-config.php, a corrupted database, or server issues. Verify your database credentials, check that your database server is running, and repair your database using the built-in WordPress repair tool.500 Internal Server Error is a generic error that can have many causes. Common triggers include a corrupted .htaccess file, PHP memory limit exhaustion, or plugin conflicts. Rename your .htaccess file to disable it temporarily, increase PHP memory, and deactivate plugins to identify the cause.404 Page Not Found errors on all pages except the homepage indicate a permalink issue. Go to Settings, Permalinks and click Save Changes without making any changes.
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If the issue persists, check that your .htaccess file is writable.Connection timed out errors occur when a script takes too long to execute. Increase the PHP execution time limit in your wp-config.php file. This error is common when importing large files, processing heavy operations, or using resource-intensive plugins.Images not uploading can be caused by incorrect file permissions on your uploads directory, insufficient disk space, or image file size limits. Check that your wp-content/uploads directory has the correct file permissions, verify available disk space, and increase the maximum upload file size in PHP settings.Maintenance mode message stuck means a previous update process did not complete properly. Delete the .maintenance file from your WordPress root directory via FTP. WordPress creates this file during updates and should remove it automatically when the update completes, but sometimes it remains.
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