We also hv the request to pay biometrics fee again in July 2020 when we already did together with the full payment of RPRF and additional of the biometrics fee together with our application submission in May 2019. We decided to pay the biometrics again upon the 2nd request to avoid any delay of the application, then later we will just make the claim from IRCC once the application is completed.Was your file transferred at all? They transferred our file on nov 19, not sure why and now the medical pass date has disappeared. I simultaneously had received the request to pay the bio fees for my parents on nov 19 since apparently I hadn't paid it during application.