As an expert with over 18 years of experience in Web Development, I can confidently say that I am well-suited to handle and resolve your PrestaShop error. My extensive knowledge of PHP and Prestashop alongside my long list of satisfied clients speaks volumes to the quality of work I deliver. Rest assured, I can tackle not just any error, but specifically the one you are facing right now - from updating to debugging.
Moreover, my past projects involving WooCommerce and Data Scraping have honed my problem-solving abilities. I understand the importance of completing tasks within budget and time, which can be testified by the 712+ satisfied clients who have reviewed my work positively. One recent example is when my team merged a new code with pre-existing custom modifications for a membership website smoothly, similar to what your project requires.
If you choose to hire me for this project, you won't just be getting a skilled professional but also someone who communicates well and ensures effective collaboration throughout the process. Given my track record and skills in HTML, MySQL, PHP, Software Architecture, and especially Prestashop, I'm confident that I'm the right person for this task.