In Ranbir's eyes, I saw Sita in Shri Ram-Sai's eyes. At whose behest did they enter 'Ramayana'?

On the occasion of the first resolution of the film Ramayan, actors Ranbir Kapoor and Sai Pallavi interacted with the public and shared their experiences related to the film. During this, Ranbir Kapoor apologized to the audience for what?