ITR2 Error: ScheduleTR1/ScheduleTR/0: required key [TaxIdentificationNo] not found

Tax Identification Number/ TIN not found error while filing India Income Tax Returns ITR2 form. Steps to resolve: 1. Open Income tax portal in Edge browser -> InPrivate mode and login to the portal https://eportal.incometax.gov.in/iec/foservices/#/dashboard/fileIncomeTaxReturn 2. Go to Schedule FSI and 'Delete' the FSI entries(take a copy of it before you delete) and 'Confirm' 3. Go to Schedule TR and 'Confirm' 4. Logout and Login again 5. Go to FSI and fill once again and 'Confirm' 6. Go to Schedule TR and Confirm 7. Proceed with verification. You wont get the error message now