: Once every section has been manually saved again, click on 'Proceed to Payment' 'Make Payment/Post Credit to Ledger' to offset your liabilities. Contact Support : If the error persists after re-saving, the GST Portal advises quoting error number RT-3BAS1059
Many modern apps store temporary data locally to speed up performance. If this cache becomes corrupt, the application may throw runtime errors like RT-3BAS1059 when trying to read or write data.
After applying the permanent fix, run the following test suite:
Wait for the system message: "GSTR-3B details saved successfully" . Click on "Proceed to Payment" again.