I will fix prestashop 500 errors, checkout and payment bugs for eu stores

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Nemi. D

About this gig

Your PrestaShop store is showing a 500 error, white screen, or the checkout and payment page is broken. Customers cannot complete their orders and you are losing sales every hour.


I specialize in fast diagnosis and clean repair of PrestaShop fatal errors, 500 errors, module conflicts, checkout failures, and payment gateway issues. I work daily with European and French stores (PayPlug, Alma, Systempay, Colissimo, Mondial Relay, etc.) and understand the common problems that appear after updates or on French hosting environments.


What you will receive

  • Clear diagnosis of the exact root cause
  • Clean and safe fix of the 500/fatal/checkout/payment issue
  • Compatibility check of your critical modules after the fix
  • Test order confirmation (or short video proof)
  • Short written report of what was changed
  • Practical recommendations to avoid the same error again
  • Secure handling of your store access
  • Support during the revision period


Every fix is tailored to your specific PrestaShop version, theme, and installed modules. I never apply generic patches that risk breaking something else.


Send me a short description of the error (or a screenshot) and your PrestaShop version.

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Get to know Nemi. D

Nemi. D

PrestaShop Developer, Customization, Modules And Store Support

  • FromFrance
  • Member sinceOct 2026
  • Languages

    French, English, Italian
I’m a PrestaShop specialist helping store owners build, improve, and maintain reliable online shops. I work with PrestaShop on a daily basis from setting up and customizing stores, developing or adapting modules, optimizing performance, to solving technical issues that appear after updates. I regularly handle European and French stores, including common payment and shipping solutions such as PayPlug, Alma, Systempay, Colissimo, and Mondial Relay. If you have a PrestaShop issue you’d like to discuss, feel free to send me a message with a short description. I’ll let you know how I can help.