I will fix wordpress fatal error, critical errors and woocommerce bugs


About this gig
Is your WordPress website showing a fatal error, critical error, white screen, or broken WooCommerce checkout?
I can help you identify and fix WordPress errors, PHP issues, plugin conflicts, and WooCommerce bugs so your website works properly again.
What I can help you fix:
- WordPress fatal error and critical errors
- PHP errors and plugin conflicts
- 404, 403, and 500 website errors
- White screen of death
- WooCommerce checkout and cart issues
- Broken WordPress plugin functionality
- Payment gateway and API integration issues
- Errors following plugin or website updates
Why choose me?
I'm a Full Stack Software Engineer with 4+ years of experience in web development, backend APIs, and e-commerce integrations.
I've worked on WooCommerce plugin development, PHP checkout hooks, custom payment flows, and complex frontend/backend applications.
I focus on finding the cause of the problem, implementing a suitable fix, and testing the affected functionality.
Please contact me before ordering with your error details so I can recommend the right package.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Mathias James
Full Stack Developer, Payment API and Ecommerce Expert
- FromUnited States
- Member sinceOct 2026
- Avg. response time1 day
Languages
English
My Portfolio
FAQ
Can you fix the WordPress critical error or fatal error?
Yes, I can investigate WordPress fatal errors, critical errors, and related PHP or plugin problems. Please send the error details so I can assess the cause and confirm the appropriate package.
Can you fix WooCommerce checkout and payment errors?
Yes. I have professional experience developing WooCommerce checkout functionality, custom plugins, and payment integrations. I can troubleshoot supported cart, checkout, API, and payment-related problems.
Can you fix 404, 403, and 500 errors?
I can investigate these HTTP errors and determine whether they are related to WordPress configuration, plugins, application code, or hosting. Some server-level problems may require your hosting provider.
Do you need access to my WordPress admin dashboard?
Depending on the issue, temporary WordPress administrator, staging, hosting, or SFTP access may be required. Please use secure access-sharing methods and back up your website before work begins.
Will you back up my website before making changes?
I will confirm that a recent, usable backup exists before making potentially disruptive changes. Backup creation or restoration can be included in the project scope where access and hosting resources permit.
Can you fix issues caused by plugin or WordPress updates?
Yes. I can investigate update-related compatibility problems, PHP errors, and conflicting plugins or custom code. The solution depends on the affected components.
How quickly can you repair my website?
Delivery depends on the complexity of the issue. Simple errors may be resolved within the Basic package timeline, while complex bugs, server problems, or plugin conflicts may require more investigation.
Why should I contact you before ordering?
Error messages can have different underlying causes. Please send the symptoms, error details, website platform, and any recent changes so I can recommend a suitable package.

