🛠️ WordPress & PrestaShop Bug Fixing Service by a Certified French Expert

🚨 IS YOUR WEBSITE EXPERIENCING TECHNICAL ISSUES?
Don’t let a malfunction hurt your sales or credibility. Get fast and reliable support from a Certified French Web Developer and bring your website back to peak performance.

Hello! I’m Bertrand, a freelance web developer based in Bourg-en-Bresse, France.
As a certified specialist in WordPress and PrestaShop, I provide precise troubleshooting to quickly diagnose and resolve critical website problems.

Whether you're dealing with a white screen, a 500 server error, checkout failure, or responsive display issues (CSS/mobile), I’ll restore your website to optimal working condition.

🤝 WHY CHOOSE MY SERVICES?

• 🏅 Deep Technical Mastery
  Beyond maintenance, I build custom plugins and modules. I understand the internal architecture and code of WordPress and PrestaShop thoroughly.

• 🎓 Recognized Certifications
  My expertise is validated by official credentials including TOSA WordPress and PrestaShop Expert certifications.

• 🇫🇷 Premium Service Based in France
  Operating from France ensures smooth communication, cultural alignment, and no time zone complications.

• 🏆 Established Professional Track Record
  Active service provider on ComeUp since 2018 with state-recognized qualifications.

• ⚡ Quick Response Time
  I typically respond within 24 hours (often sooner during weekdays).

• 🌱 Environmentally Responsible Approach
  My business integrates sustainable practices such as energy-efficient optimization and green hosting solutions.

💡 WHAT’S INCLUDED & PRICING

Every intervention is handled securely and professionally.

Base rate: €40 per issue. Each intervention includes:

• ✅ Technical audit to determine the root cause
• ✅ Full correction (PHP, HTML, CSS, JS, TPL, SQL, plugin/module conflicts, etc.)
• ✅ Complete backup before any modification
• ✅ Cross-browser testing
• ✅ Detailed official PDF intervention report

💰 PRICING STRUCTURE

⚠️ Important Notice:
If the analysis reveals a complex situation (hacked website, severe hosting performance issues, failed migration, major theme conflicts), the base rate will serve as a diagnostic fee and a custom quote will be proposed.

📋 COMMON ERRORS & TECHNICAL ISSUES RESOLVED

Below is a non-exhaustive list of problems I handle regularly.

🔴 SERVER & HTTP ERRORS (ALL CMS)

• 500 Internal Server Error
• 403 Forbidden (permissions or firewall issues)
• 404 Not Found (broken permalinks or missing files)
• 502 / 504 Gateway errors
• 503 Service Unavailable
• DNS or SSL certificate issues
• Email delivery failures (SMTP configuration problems)

🟢 WORDPRESS & WOOCOMMERCE ISSUES

Frequent error messages:

• “There has been a critical error on this website”
• White Screen of Death (blank page)
• “Error establishing a database connection”
• “Allowed memory size exhausted”
• “Maximum execution time exceeded”
• “Syntax error, unexpected…”
• Stuck in maintenance mode
• “Updating failed. The response is not a valid JSON response”
• “Cannot modify header information”

Functional issues:

• WooCommerce checkout malfunction
• “Add to cart” button not responding
• Incorrect shipping calculations
• Login redirect loops
• Lost administrator access
• Plugin/theme conflicts (Elementor, Divi, WPBakery)
• Broken mobile navigation menu

🔵 PRESTASHOP ISSUES (1.6 / 1.7 / 8.x / 9.x)

Common errors:

• PrestaShopException
• Hack attempt / Invalid Token
• Database connection failures
• ContextErrorException
• 500 error during checkout
• Smarty Compiler Error

Functional problems:

• Checkout unavailable
• Payment module errors (Stripe, PayPal, PayPlug)
• Blank confirmation page after payment
• Back-office login issues
• Infinite loading module page
• Product page not saving
• Missing product images
• CSS layout inconsistencies
• Module installation crashes

If your issue isn’t listed, simply send a screenshot for assessment.

📄 DELIVERABLE: DETAILED PDF REPORT

Upon completion, you receive a structured PDF including:

1. Root cause explanation
2. Technical modifications performed
3. Validation and testing confirmation
4. Preventive recommendations

⭐ CLIENT FEEDBACK

Herve_Scent

“I regularly work with Bertrand on my e-commerce website for both small and complex technical tasks. Reliable, responsive, and meticulous.”

FlorianHub

“Professional and dedicated. Issues are always resolved quickly and efficiently.”

Lyla

“Clear explanations, customized solution, and visible results.”

vezwa

“Fast, attentive, and highly professional. Strongly recommended.”

⚙️ WORK PROCESS

1. You describe your issue
2. I evaluate and confirm the appropriate solution
3. Full backup is performed
4. Issue is corrected and tested
5. Detailed PDF report is delivered
6. Final validation and confirmation

🛡️ GUARANTEES

• Strict confidentiality
• Full backup before changes
• Full refund if the issue cannot be resolved

🔒 WHY ORDER THROUGH COMEUP?

• Secure payment system
• Buyer protection
• Funds released only after approval
• Verified provider profiles
• Reliable customer support

📲 GET STARTED TODAY

Ready to restore your website’s stability and performance?

1. Click “Ask a question” on my profile
2. Describe your issue
3. Receive a prompt and professional response

|| 💎 Premium Service
|| 🤓 Certified Professional (France)
|| 🧠 State-recognized qualifications
|| 💼 Professional seller
|| ⏱ Fast response guarantee (Mon–Fri | 9am–5:30pm)
|| 📞 Video consultation available
|| 💥 Service provider since 2018
|| 🕐 Deadlines respected
|| 🔒 Buyer protection

Get your issue resolved today and move forward with a website that is secure, stable, and ready to grow your business.