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TurboGST

RET191133: Duplicate invoice

The portal already has this invoice (possibly under another customer GSTIN).

Why it happens

  • The same invoice was uploaded earlier.
  • The same invoice appears twice in your file.

How to fix it

  1. If the invoice data is unchanged, you can ignore the error.
  2. If it changed, delete the old invoice on the portal and upload the new one.

This error is reported in: b2b, cdnr.

Last checked 17 October 2026

Based on public write-ups of this portal error, not on GSTN's own documentation. If the portal's message differs from what's described here, trust the portal and ask your CA.