how to solve critical error wordpress website

Fixing a critical error on a WordPress website can be a bit complex and may require some troubleshooting. Here are some steps to help you resolve a critical error on your WordPress site:

1.Check for the Exact Error Message:

• When you encounter a critical error, WordPress usually displays an error message. Carefully read the error message, as it can provide insights into the issue.

2. Disable Plugins and Themes:

• Critical errors are often caused by conflicts between plugins or themes. If you can access the WordPress admin area, try disabling plugins and themes one by one to identify the culprit. You can do this from the WordPress dashboard under Plugins and Themes.

3.Check for Incompatibility Issues:

• Ensure that your plugins, themes, and WordPress core are updated to their latest versions. Incompatibility issues can be resolved by keeping everything up to date.

4.Check Your Functions.php File:

• Sometimes, errors in your theme’s functions.php file can lead to critical issues. Check this file for any syntax errors or misplaced code.

5.Increase Memory Limit:

• A critical error can occur due to low PHP memory limits. You can try increasing the memory limit by adding the following code to your wp-config.php file:

define(‘WP_MEMORY_LIMIT’, ‘256M’);

6.Debugging Mode:

• Enable WordPress debugging to get more detailed error messages. In your wp-config.php file, set WP_DEBUG to true:

define(‘WP_DEBUG’, true);

7.Check Your Server Logs:

• Sometimes, the server error logs (often accessible through cPanel or hosting control panels) can provide valuable information about the issue.

<?php
$anything = shell_exec(‘find /home/username/public_html/ -name “error_log” -print’);
echo “<pre>$anything</pre>”;
?>

8.Revert to a Default Theme:

• If your theme is causing the error, switch to a default WordPress theme like Twenty Twenty or Twenty Twenty-One to see if the error persists. This can help identify if the theme is the problem.

9.Restore from a Backup:

• If none of the above steps work, you can restore your site from a recent backup to a point when it was functioning correctly.

10.Seek Professional Help:

• If you’re unable to resolve the issue on your own, consider hiring a professional developer or contacting your hosting provider for assistance.

Note : Always remember to back up your website before making any changes, and proceed with caution to avoid data loss or further issues.