Greetings for the day!
Surely I can help you to fix the login issue which arisen after upgrade the version. I have professional working experience on Prestashop since last over 8 years, only on the PrestaShop.
Please have a look my portfolio and feedback from my previous clients before making any hiring decision.
==========Why Should Hire Me==========
1) I have proven experience, As proof, I can mention that I have already developed many of modules for PrestaShop.
2) All my previous client gave 5.0/ 5.0 rating,
3) You will get after-sale support from me for a certain period.
4) You find me on messengers for quick communication when you need
5) I will provide you well documentation what I do, for you better understand and future track
Please invite me to chat box for more details on your project like-time, quote, etc.
I am waiting for your quick response.
Kind Regards,
Ranju