I can definitely help you with this. As it is urgent I can start straight away and it could all be fixed within an hour.
I'm an expert PrestaShop developer based in the UK. I've worked and written payment providers for various versions of PrestaShop so should be able to resolve this quite quickly.
Feel free to ask any questions before your award it.
Hello there.
We are new to Freelancer but have good professional team. We have done similar work for other clients as well. You won't be disappointed. We are ready to take up your challenging work. Let's Start!
Hello sir,
I am Prestashop expert with 6 years experience. completed over 100 projects on Upwork.
I have understood the requirements. I can complete your work within time with quality and big smile promise. I believe in becoming partner than a provider of service.
Please pm me so we can discuss further.
Looking forward to hear from you.
Thanks :)
Rahul