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ASC 0.1 · Authoritative registry

Code registry

43 experimental assignments across nine numeric classes. Consumers that do not recognise a specific code fall back to its first digit.

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Showing all 43 codes

1xxx

Lifecycle and progress

Code	Name	Meaning	Terminal	Retry
1000	`ACCEPTED`	Work was acknowledged but substantive execution has not started.	No	N/A
1010	`RUNNING`	Work is actively progressing.	No	N/A
1020	`WAITING_DEPENDENCY`	Work is paused until a declared dependency becomes available.	No	Conditional
1030	`RETRY_SCHEDULED`	Another attempt has been scheduled under policy.	No	Yes

2xxx

Successful outcomes

Code	Name	Meaning	Terminal	Retry
2000	`SUCCESS`	The requested goal was fully achieved.	Yes	No
2001	`SUCCESS_WITH_WARNINGS`	The goal was achieved with non-blocking caveats.	Yes	No
2002	`PARTIAL_SUCCESS`	Some independently requested units succeeded and others did not.	Yes	Per failed unit
2003	`NO_ACTION_REQUIRED`	The request was valid, but the desired state already held or no action was necessary.	Yes	No

3xxx

Interrupted, deferred, or human-dependent

Code	Name	Meaning	Terminal	Retry
3001	`HUMAN_INPUT_REQUIRED`	Missing or ambiguous information must be supplied by a person.	No	After input
3002	`HUMAN_APPROVAL_REQUIRED`	A proposed action awaits an explicit human decision.	No	After approval
3003	`AUTHENTICATION_REQUIRED`	Authentication, reauthentication, or delegated credentials are needed.	No	After authentication
3004	`CANCELLED`	Execution was cancelled by an authorised actor.	Yes	Normally no

4xxx

Request, authorisation, capability, and policy

Code	Name	Meaning	Terminal	Retry
4000	`INVALID_REQUEST`	Input is syntactically or semantically invalid.	Yes	After correction
4001	`FAILED_PRECONDITION`	A valid operation cannot proceed in the current state.	Yes	After state repair
4002	`PERMISSION_DENIED`	The authenticated principal is not authorised for the operation.	Yes	After permission change
4003	`GUARDRAIL_BLOCKED`	A policy or safety control prohibited the proposed action or output.	Yes	Normally no
4004	`POLICY_REDACTED`	Policy transformed, removed, or withheld part of an otherwise usable result.	Contextual	No
4005	`CONFLICT`	A concurrent update, version, or state conflict prevented completion.	Yes	Conditional
4006	`NOT_FOUND`	A required task, resource, agent, or tool could not be located.	Yes	Normally no
4007	`UNSUPPORTED_CAPABILITY`	The requested capability is not implemented or advertised.	Yes	No

5xxx

Transient operational failures

Code	Name	Meaning	Terminal	Retry
5000	`RETRYABLE_ERROR`	An unclassified transient failure for which a bounded retry may succeed.	Contextual	With policy
5001	`RATE_LIMITED`	A provider, tenant, or tool rate limit was reached.	Contextual	After delay
5002	`RESOURCE_EXHAUSTED`	A token, memory, compute, context, storage, or quota resource was exhausted.	Contextual	Conditional
5003	`DEPENDENCY_UNAVAILABLE`	A required model, tool, agent, or service is temporarily unavailable.	Contextual	Usually
5004	`TIMEOUT`	A declared deadline expired before a definitive result was obtained.	Contextual	Conditional
5005	`TOOL_EXECUTION_FAILED`	A tool accepted an invocation but failed while executing it.	Contextual	Tool-specific
5006	`ABORTED_CONCURRENCY`	The operation was aborted due to concurrency or transactional conflict.	Yes	At a higher level

6xxx

Fatal, indeterminate, or integrity-threatening failures

Code	Name	Meaning	Terminal	Retry
6000	`FATAL_ERROR`	An unrecoverable failure not represented by a more specific code.	Yes	No
6001	`INTERNAL_ERROR`	An unexpected exception, invariant violation, or implementation defect occurred.	Yes	Not automatically
6002	`MODEL_BEHAVIOUR_ERROR`	A model emitted malformed structure, an unknown tool call, or another protocol-invalid action.	Contextual	Conditional fallback
6003	`DATA_LOSS`	Required state, memory, evidence, or an artefact was lost or corrupted.	Yes	No
6004	`MAX_ITERATIONS_EXCEEDED`	A turn, step, recursion, or loop budget was exhausted.	Yes	Only under revised policy
6005	`RESULT_STATE_UNKNOWN`	The system cannot determine whether a potentially side-effecting operation committed.	Yes	Never blindly

7xxx

Trust, quality, grounding, and verification

Code	Name	Meaning	Terminal	Retry
7000	`OUTPUT_UNVERIFIED`	Required verification was unavailable or not completed.	Contextual	Conditional
7001	`LOW_CONFIDENCE`	A named quality metric fell below its declared threshold.	Contextual	Conditional
7002	`HALLUCINATION_SUSPECTED`	A detector found indicators of unsupported or contradictory content without conclusive verification.	Contextual	Regeneration possible
7003	`HALLUCINATION_DETECTED`	A declared verification procedure established that material output lacks required support or contradicts authoritative evidence.	Contextual	Repair or regenerate
7004	`PROVENANCE_INCOMPLETE`	Required source, evidence, or derivation lineage is missing.	Contextual	Conditional
7005	`INTEGRITY_CHECK_FAILED`	A signature, hash, schema, policy attestation, or equivalent integrity check failed.	Contextual	Normally no

8xxx

Operational and efficiency events

Code	Name	Meaning	Terminal	Retry
8000	`PROMPT_CACHE_HIT`	Eligible input was served wholly or partly from a prompt cache.
8001	`PROMPT_CACHE_MISS`	Eligible input was not served from a prompt cache.
8002	`FALLBACK_USED`	Execution switched to an alternate model, tool, agent, or route.
8003	`RETRY_ATTEMPTED`	Another execution attempt began.

9xxx

Extension space

Code	Name	Meaning	Terminal	Retry