It says I owe £0 on calculations page

On the 'filling out' part of my return, it says I owe £163 in Class 2 NICs, but when I go to the 'calculations' part, it says I owe £0 and so I assume when I submit my return there will be no option to pay. I tried ticking the 'pay voluntary Class 2 NICs' box, but it won't let me because I've earned enough to pay have to pay them. Does anyone know what's going on or what to do?

Hi michelle0603,
You need to ensure you are registered to pay Class2 National Insurance for this to show on your account.
You may have just registered for Self assessment and not self employment.
Self-employed National Insurance rates
Thank you.