> For the complete documentation index, see [llms.txt](https://docs.trustlesswork.com/trustless-work/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trustlesswork.com/trustless-work/v2-en/api-rest/errors/stellar/stellar-tx-bad-seq.md).

# STELLAR\_TX\_BAD\_SEQ

The transaction sequence number is not the next expected one for the source account.

`409 Conflict` · transaction submission

### Example

```json
{
  "type": "https://docs.trustlesswork.com/trustless-work/v2-en/api-rest/errors/stellar-tx-bad-seq",
  "title": "Conflict",
  "status": 409,
  "code": "STELLAR_TX_BAD_SEQ",
  "detail": "The transaction sequence number is not the next expected one for the source account. Reload the account and rebuild.",
  "instance": "/…",
  "traceId": "…"
}
```

### When it happens

The transaction's sequence number is stale — the source account moved on (another tx consumed it, or you re-submitted an old envelope).

### How to fix it

Rebuild the transaction (call the build endpoint again), sign, and submit the fresh XDR.


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