The error code RT-3BAS1059 (often appearing as part of a "repack" or "re-submission" attempt) is a technical validation error on the GST Portal (India) that occurs during the filing of Form GSTR-3B What the Error Means This error typically surfaces when a taxpayer attempts to offset liabilities
Perform a clean boot to start your computer with a minimal set of drivers and startup programs. This can help you identify if any background programs are causing the error.