UDIN for 3CA/3CD AY 2021-22

Users are encountering an error message when trying to update UDIN for their 3CA/3CD filings for AY 2021-22, stating 'UDIN validation for this form failed. Please provide valid UDIN generated from ICAI portal for this form'. Despite confirming the UDIN is correct on the ICAI portal, the issue persists for multiple users. Some users have reported the error being resolved on the IT portal, but details on how this was achieved are sought.