o2 have several ways to add charges to your bill @77PJ so it looks like the wrong one was used.
A spend cap covers some things, charge to mobile covers others.
It might be worth speaking to Sony to see if they can reverse the charges, but if you still need/want to talk to o2 then there are some alternative numbers and hints on getting through in the guide below.
Guide: Coronavirus Community Help and Support
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
