My O2 app not providing information and My O2 on laptop showing Error loading page

[J4CLSE]

Please can someone help me and advise whether they are having the same issues as me. When accessing My O2 app on mobile device, it is advising me that the information isnt available at this time on one screen, when trying to access my monthly bill it is saying that this device can not be used at the moment. Switched over to my laptop to try and log in and able to log in but when selecting my number the following page just shows sorry there is an error loading this page. I am now unable to access my account and need this sorted ASAP

[MI5 · Accepted solution]

@J4CLSE 

You'll need to call customer service to reset your account.
Numbers here Guide: Coronavirus Community Help and Support 
When it comes to the reason you are calling stay silent for 15 seconds and you will be taken to the keypad options.
Press 2 for Everything Else
Press 5 for More Options
Press 7 for Anything Else which will put you though to someone.
Say "Upgrade", "Lost/Stolen" or "Fraud" if you have to, to get put through to someone.
8.00am is the best time to call if you can.