Dear Isha,
Please consult Chapter 8 of this guidance document for further information on RPI: https://www.ema.europa.eu/en/documents/regulatory-procedural-guideline/iris-guide-registration_en.pdf
For further information, please open a ticket on Service Desk following the support path described here: https://iris.ema.europa.eu/forums/whats-new/6455338f-d73b-f011-a2d9-7c1e524ef6ac
Best regards,
On behalf of the IRIS team