Apple Watch 8 mobile data error code 14

[Weejac]

Hi, I got the iPhone 14 pro yesterday and now my Apple Watch 8 is no longer cellular. I tried calling o2 but the guy on the phone was no help. My phone is telling me to call o2 and quote reference code 14, can anyone help?  I’ve tried resetting the Watch with no luck.

Thanks

[Weejac]

@O2Lisa @O2Sarah can either of you help? I can see from other forums you have been able to assist. Thanks

[gmarkj]

It is @O2Sarah- that you need @Weejac .

Can you see if you can help fix this watch issue please Sarah?

[O2Sarah-]

Thanks for the tag @gmarkj 

@Weejac I will send you a private message so we can look into this. 

[Rwdavenport]

@O2Lisa @O2Sarah same issue for me. just wont connect on a new series 8 and data plan