Expired COPR - Retake medicals - IRCC Passport request

We were approved COPR prior to March 18, 2020 which got expired last year. We recently got re-medicals request and completed that by Mar 2, 2021. We were expecting AL(Authorization Letter to travel with expired CoPR) but instead got PPR (passport request) - is this normal? I am worried that they are ignoring our existing COPR and issuing new CoPR which will end up being post-Mar 18, 2020!
Anyone else in same situation? What steps to ensure that we get AL as expected?