06-10-2023 09:43 AM
06-10-2023 10:02 AM
How and where exactly are you trying to top-up?
What is the exact error message?
Is that the number in your My48 account under My Profile > My Details > Your Number?
Have you successfully bought membership/add-ons for this number before?
If you need to contact 48 support about this then see the link in my signature below or email them at support@48months.zendesk.com