Apple Watch series 9 error code 30

[Rachael5]

Hi 

I received my Apple Watch upgrade this morning. I’m trying to connect the Mobile data but each time I try and login, I get error code 30. Has anyone got any suggestions? 
thank you 

[jonsie]

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 using the links below, they should be able to help you with this
or give them a call on 202  or 0344 809 0202

[Rachael5]

Thank you 

[jonsie]

elcome @Rachael5