# Change history: Error Codes

[← Changelog](/docs/changelog). Entries: 10.

- 2026-09-14 [FIX-0914-3: updating and deleting a smart process answer the Bitrix24 refusal code, not an internal error](/docs/changelog/2026-09-14#fix-0914-3-updating-and-deleting-a-smart-process-answer-the-bitrix24-refusal-code-not-an-internal-error)
- 2026-09-14 [FIX-0914-20: smart-process custom fields answer the Bitrix24 refusal code, not "not found"](/docs/changelog/2026-09-14#fix-0914-20-smart-process-custom-fields-answer-the-bitrix24-refusal-code-not-not-found)
- 2026-09-13 [FIX-0913-1: the API description now names the refusals shared by every operation](/docs/changelog/2026-09-13#fix-0913-1-the-api-description-now-names-the-refusals-shared-by-every-operation)
- 2026-09-13 [FIX-0913-4: the account freeze is checked for an application key even without a user session](/docs/changelog/2026-09-13#fix-0913-4-the-account-freeze-is-checked-for-an-application-key-even-without-a-user-session)
- 2026-09-09 [FIX-0909-9: an expired OAuth user token returns an authentication error](/docs/changelog/2026-09-09#fix-0909-9-an-expired-oauth-user-token-returns-an-authentication-error)
- 2026-08-13 [NEW-0813-13: new access refusal code INT_VIBE_PLUS_REQUIRED](/docs/changelog/2026-08-13#new-0813-13-new-access-refusal-code-int_vibe_plus_required)
- 2026-07-30 [NEW-0730-8: new 429 TIMEOUT_QUARANTINE refusal: a method that stopped answering is paused](/docs/changelog/2026-07-30#new-0730-8-new-429-timeout_quarantine-refusal-a-method-that-stopped-answering-is-paused)
- 2026-07-30 [FIX-0730-9: the OPERATION_TIME_LIMIT refusal in a batch now arrives with its own code and delay instead of a generic one](/docs/changelog/2026-07-30#fix-0730-9-the-operation_time_limit-refusal-in-a-batch-now-arrives-with-its-own-code-and-delay-instead-of-a-generic-one)
- 2026-07-29 [NEW-0729-12: a transient 503 at the platform edge now says how long to wait](/docs/changelog/2026-07-29#new-0729-12-a-transient-503-at-the-platform-edge-now-says-how-long-to-wait)
- 2026-06-11 [NEW-0611-2: call rating on completion](/docs/changelog/2026-06-11#new-0611-2-call-rating-on-completion)