I've been trying to apply a voucher for a week on line from 3 different pc's and my phone but no luck.
Today I tried from my box and it tells me that "sorry but the code you entered is invalid".
I have checked the number is correct and I have the Tesco receipt that says "card activation successful"
I've been using Tesco and applying vouchers this way for a couple of years with no problem.
Any ideas please?
