Error activating Open discount

[JWB1991]

I am eligible for the open discount on my airtime, I have received an email telling me to activate my discount however I continue to receive an error once I have logged in saying my details cannot be retrieved and to try again in 30 minutes. I only get 28 days to add this discount on and if I continue to receive this I will miss out. Has anyone else had this same problem and how did you get around it? Thanks in advance. 

[MI5]

@JWB1991 

We’re just customers like you but it sounds like you’ll need someone to access your account which can’t be done from here. If you message O2 on Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) , they should be able to help you with this
Thanks

Guide: How to find help & contact O2 

Guide: O2 Open & Friends and Family discounts - How to sign up