How to solve wordpress fatal error

WordPress fatal errors are caused by plugin conflicts, theme incompatibility, insufficient memory, etc. Solutions include disabling the conflicting plugin, switching to the default theme, increasing PHP memory, checking the database connection, fixing file permissions, resetting the .htaccess file, or reinstalling WordPress. Be sure to back up your site before making changes and seek professional help if necessary.

WordPress Fatal Error: Causes and Solutions

WordPress Fatal Error is a serious error that causes The website is not functioning properly. Here are some common causes of this type of error and their corresponding solutions:

Cause 1: Plug-in conflict

• Solution: Disable all plugins and reactivate them one by one to find the plugin causing the error.

Cause 2: Theme is incompatible

• Solution: Switch to the default theme (e.g. Twenty Twenty-Three) . If the error disappears, there is a problem with the theme. Install a compatibility theme.

Cause 3: Insufficient memory

• Solution: Allocate more memory for PHP. Modify the wp-config.php file and add the following lines:

  <code>define('WP_MEMORY_LIMIT', '256M');</code>

  Copy after login

Cause 4: Database error

• Solution : Check the database connection information and make sure the database server is running. If the error persists, try repairing the database table.

Cause 5: File Permissions

• Solution: Make sure WordPress files and folders have the correct file permissions. Typically, 755 or 644 are recommended file permissions.

Cause 6: The .htaccess file is damaged

• Solution: Reset the .htaccess file. Delete the current .htaccess file and access the WordPress backend. WordPress will automatically create a new .htaccess file.

Cause 7: Corrupted WordPress installation

• Solution: Reinstall WordPress. Delete all WordPress files, then download and install the latest version from the official WordPress website.

Tip:

• Be sure to back up your site before making any changes to WordPress.
• If you're not sure how to fix a fatal error, seek help from a professional.

The above is the detailed content of How to solve wordpress fatal error. For more information, please follow other related articles on the PHP Chinese website!