# E15056 — WhatsAppInteractiveDuplicateLabel

Two buttons or rows in this message carry the same label.

- **HTTP status**: `422`
- **Type**: `validation_error`
- **Name**: `WhatsAppInteractiveDuplicateLabel`

## What to do

Give every button and every row its own label. The reply names the label the contact tapped, so a repeated one leaves the answer ambiguous. The identifiers behind them may repeat; the labels may not.

## Related

- [E15xxx — WhatsApp sending & delivery](/docs/api/errors/E15xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`