PROMPT_POINTER_ROLLBACK_HASH_MISMATCH
409invalid_requestThe rollback guard hash does not match.
Cause
The expected_current_hash sent with the rollback is not what is live, so the rollback was refused rather than unwinding someone else’s promotion.
How to fix it
Re-read the current pointer and retry with its hash.
Example response
409 PROMPT_POINTER_ROLLBACK_HASH_MISMATCH
JSON
{
"error_code": "PROMPT_POINTER_ROLLBACK_HASH_MISMATCH",
"error_type": "invalid_request",
"error_message": "The rollback guard hash does not match.",
"hint": "Re-read the current pointer and retry with its hash.",
"docs_url": "https://docs.billerapi.com/errors/PROMPT_POINTER_ROLLBACK_HASH_MISMATCH",
"request_id": "d94f5e2a-8c3b-4f1e-9a7d-6b2c1e0f8a34"
}Related
- Error handling — the error envelope shape and how to parse it
- Error code reference — every stable error code
Canonical docs URL: https://docs.billerapi.com/errors/PROMPT_POINTER_ROLLBACK_HASH_MISMATCH
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