WooCommerce Troubleshooting: Fixing Critical Errors

WooCommerce Troubleshooting: Fixing Critical Errors – Get Your Store Back on Track

Running an online store powered by WooCommerce can be immensely rewarding, but it also comes with its fair share of technical challenges. When critical errors arise, your WooCommerce store may display broken pages, fail to process orders, or even crash entirely – directly impacting your sales and customer experience.

The good news is that with the right approach, most common WooCommerce errors can be quickly identified and fixed. This guide will equip you with the knowledge and tools to efficiently troubleshoot critical issues and get your store back up and running.

Understanding Critical Errors in WooCommerce

Critical errors in WooCommerce refer to major technical issues that disrupt core store functionality and need urgent attention. Some examples include:

  • White Screen of Death (WSOD) – A blank white page where your store should be.
  • Fatal error messages – PHP errors that stop code execution.
  • Payment gateway failures – Inability to process payments.
  • Product upload errors – Issues adding new products.
  • Order processing failures – Orders stuck in pending status.

These errors signify underlying problems like plugin conflicts, web server misconfigurations, or problematic code. Left unchecked, they can bring your store to a standstill.

Having regular backups and monitoring for errors are crucial. This allows quick rollback and identifying issues early before they escalate.

Common WooCommerce Critical Errors and Troubleshooting Steps

Here are some of the most common critical errors in WooCommerce, along with potential fixes:

White Screen of Death (WSOD)

Seeing a blank white screen instead of your store is incredibly frustrating. Typical causes include:

  • Plugin conflicts – An incompatible plugin is causing a conflict.
  • Theme issues – Your theme contains an error or is incompatible.
  • PHP memory limit – Server resources are exhausted.

Try these troubleshooting steps:

  • Switch to a default WooCommerce theme like Storefront. If the site returns, theme is likely the issue.
  • Disable all plugins one by one via FTP/cPanel to identify plugin conflict.
  • Increase PHP memory limit in wp-config.php file.
  • Reach out to hosting support if the issue persists. They can check server logs.

Stay calm and methodical when dealing with WSOD. Slowly eliminate potential causes until site returns. Official Troubleshooting Guide.

Fatal Error Messages

Cryptic PHP error messages like “”Parse error”” or “”500 Internal Server Error”” can be puzzling. But the first step is decoding what they mean.

Common examples include:

  • “”Error establishing database connection”” – Often a server issue. Contact hosting support.
  • “”Permission denied”” – Incorrect file permissions. Adjust via FTP/cPanel.
  • “”Out of memory”” error – Increase PHP memory limit.

While confusing, most errors have a straightforward fix. Refer to resources like Codex to decipher and troubleshoot them.

Payment Gateway Issues

Errors during checkout like failed payments or disconnects from payment gateways are incredibly worrisome.

For Stripe, common errors include invalid API keys or webhook failures. Re-enter Stripe credentials or set up webhooks correctly.

For PayPal, check your API credentials and PayPal IPN configuration. Contact PayPal support if issues persist.

Clear communication with customers is also key during payment issues. Be upfront and offer alternative payment methods.

Refer to gateway-specific docs, e.g. Stripe or PayPal.

Product and Order Management Errors

Adding new products or fulfilling orders may fail unexpectedly. For example:

  • Product images not uploading – Adjust media upload settings.
  • Orders stuck in pending – Increase server timeout limits.
  • Inventory level discrepancies – Sync inventory management.

Follow ecommerce best practices like these to minimize management errors. Prioritize accuracy, organization and order fulfillment.

Advanced Troubleshooting Techniques

For developers or experienced users, try enabling WP_DEBUG to show verbose error messages. Access site files via FTP/cPanel to directly edit code. Seek assistance on the WooCommerce Support Forums which has an active community.

Other tips include checking WooCommerce status via plugins page or CLI, monitoring error logs and enabling security plugins like Wordfence to identify issues.


Troubleshooting WooCommerce critical errors can be stressful, but having a game plan and sound technical know-how will enable you to debug and resolve many common issues. Work methodically to pinpoint the cause, then address with targeted solutions while keeping customers informed.

With the steps outlined in this guide, you will be well-equipped to diagnose and fix errors should they arise and keep your WooCommerce store running smoothly. Share your experiences dealing with WooCommerce errors and any questions in the comments!



Q: What are some preventative measures to avoid WooCommerce errors?

A: Regular plugin, theme and WordPress core updates, using optimized web hosting, following coding best practices, using a security plugin, and regular backups can help avoid many critical errors.

Q: My site is still down. What should I do next?

A: If you’ve tried all troubleshooting tips without success, reach out to WooCommerce support, contact your web host, or hire a developer to investigate further. They can dig into logs and identify any underlying problems.

Q: Are there any tools that help with troubleshooting WooCommerce?

A: Yes, plugins like Debug Bar, Log Viewer and Query Monitor add helpful debugging information to the WordPress dashboard and can aid troubleshooting. Also check our error logs via cPanel or FTP.

Q: I’m getting a 500 internal server error. How can I fix this?

A: A 500 error is often caused by a web server misconfiguration, outdated software, or other backend issue. Contact your hosting provider for solutions. Temporarily switching to a default theme/disabling plugins may provide more clues.

Q: What’s the fastest way to resolve a “”PHP memory exhausted”” fatal error?

A: Increasing the PHP memory limit in the wp-config.php file can quickly resolve out of memory errors. Just add define('WP_MEMORY_LIMIT', '256M'); , adjusting the memory value as needed.”

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