Hello Jackyang123,
I understand that your PrestaShop 8.1 site is facing an issue with the admin panel due to an error related to the "putenv" function from the Symfony\Component\HttpKernel namespace. As an experienced developer proficient in PHP, HTML, MySQL, OSCommerce, and PrestaShop, I am well-equipped to address this problem efficiently.
I have successfully resolved similar issues in the past, and I am confident in my ability to rectify the situation promptly. Please review my portfolio for examples of my previous work in PrestaShop and Symfony:
https://www.freelancer.com/u/sobia49
I am committed to maintaining open and effective communication throughout the project to ensure your satisfaction.
Best regards,
Sobia