This is what I got from support...
"Hi .... ,
Thank you for your email.
Sorry for the inconvenience caused.48 Months mobile application is upgrading currently and that's the reason you are facing the issue. The issue won't be existing for longer time since our technical team is working on it. Please bear with us till then and you can get your account details through your My48 website till then.
If you face any kind of issue or have any queries , feel free to write back to us or you can initiate a chat with us through your My 48 account and will be happy to assist you.
Warm Regards,
the Care Crew
Go Conquer."
I am not a 48 employee - if you need to contact 48 support then please
click here - if the Chat Now option does not appear on that page then keep trying until it does.