Hey,

I don't think it will cause you any problem. They are more concerned about the data related to you and not about the details of your father. Along with that it's just a small initial mistake.

But I wil suggest you to inform the exam conducting body on the contacts available on their website in order to make yourself clear about the consequences if any.

They will help you with a desired solution and will tell you to proceed as such.

Hope that helps.

Thank you.