# JetStream Errors This page contains a comprehensive list of all JetStream error codes and their descriptions, organized by category. ## Account Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------- | ----------- | ------------------------------------ | | 10002 | `JSAccountResourcesExceededErr` | 400 | resource limits exceeded for account | | 10035 | `JSNoAccountErr` | 503 | account not found | | 10039 | `JSNotEnabledForAccountErr` | 503 | JetStream not enabled for account | ## General Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------------ | ----------- | ---------------------------------------------------------------------- | | 10003 | `JSBadRequestErr` | 400 | bad request | | 10015 | `JSSnapshotDeliverSubjectInvalidErr` | 400 | deliver subject not valid | | 10023 | `JSInsufficientResourcesErr` | 503 | insufficient resources | | 10025 | `JSInvalidJSONErr` | 400 | invalid JSON: `{err}` | | 10028 | `JSMemoryResourcesExceededErr` | 500 | insufficient memory resources available | | 10038 | `JSNotEmptyRequestErr` | 400 | expected an empty request payload | | 10041 | `JSRaftGeneralErrF` | 500 | `{err}` | | 10042 | `JSRestoreSubscribeFailedErrF` | 500 | JetStream unable to subscribe to restore snapshot `{subject}`: `{err}` | | 10043 | `JSSequenceNotFoundErrF` | 400 | sequence `{seq}` not found | | 10047 | `JSStorageResourcesExceededErr` | 500 | insufficient storage resources available | | 10072 | `JSTempStorageFailedErr` | 500 | JetStream unable to open temp storage for restore | | 10073 | `JSTemplateNameNotMatchSubjectErr` | 400 | template name in subject does not match request | | 10075 | `JSPeerRemapErr` | 503 | peer remap failed | | 10076 | `JSNotEnabledErr` | 503 | JetStream not enabled | | 10120 | `JSNoLimitsErr` | 400 | no JetStream default or applicable tiered limit present | | 10133 | `JSReplicasCountCannotBeNegative` | 400 | replicas count cannot be negative | | 10157 | `JSPedanticErrF` | 400 | pedantic mode: `{err}` | | 10185 | `JSRequiredApiLevelErr` | 412 | JetStream minimum api level required | | 10205 | `JSBatchPublishDisabledErr` | 400 | batch publish is disabled | | 10206 | `JSBatchPublishInvalidPatternErr` | 400 | batch publish pattern is invalid | | 10207 | `JSBatchPublishInvalidBatchIDErr` | 400 | batch publish ID is invalid | | 10208 | `JSBatchPublishUnknownBatchIDErr` | 400 | batch publish ID unknown | | 10211 | `JSBatchPublishTooManyInflight` | 429 | batch publish too many inflight | ## Clustering Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ---------------------------------------- | ----------- | --------------------------------------------- | | 10004 | `JSClusterIncompleteErr` | 503 | incomplete results | | 10005 | `JSClusterNoPeersErrF` | 400 | `{err}` | | 10006 | `JSClusterNotActiveErr` | 500 | JetStream not in clustered mode | | 10007 | `JSClusterNotAssignedErr` | 500 | JetStream cluster not assigned to this server | | 10008 | `JSClusterNotAvailErr` | 503 | JetStream system temporarily unavailable | | 10009 | `JSClusterNotLeaderErr` | 500 | JetStream cluster can not handle request | | 10010 | `JSClusterRequiredErr` | 503 | JetStream clustering support required | | 10011 | `JSClusterTagsErr` | 400 | tags placement not supported for operation | | 10036 | `JSClusterUnSupportFeatureErr` | 503 | not currently supported in clustered mode | | 10040 | `JSClusterPeerNotMemberErr` | 400 | peer not a member | | 10044 | `JSClusterServerNotMemberErr` | 400 | server is not a member of the cluster | | 10202 | `JSClusterServerMemberChangeInflightErr` | 400 | cluster member change is in progress | ## Consumer Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ---------------------------------------------- | ----------- | -------------------------------------------------------------------------------------------- | | 10012 | `JSConsumerCreateErrF` | 500 | `{err}` | | 10013 | `JSConsumerNameExistErr` | 400 | consumer name already in use | | 10014 | `JSConsumerNotFoundErr` | 404 | consumer not found | | 10016 | `JSConsumerDurableNameNotInSubjectErr` | 400 | consumer expected to be durable but no durable name set in subject | | 10017 | `JSConsumerDurableNameNotMatchSubjectErr` | 400 | consumer name in subject does not match durable name in request | | 10018 | `JSConsumerDurableNameNotSetErr` | 400 | consumer expected to be durable but a durable name was not set | | 10019 | `JSConsumerEphemeralWithDurableInSubjectErr` | 400 | consumer expected to be ephemeral but detected a durable name set in subject | | 10020 | `JSConsumerEphemeralWithDurableNameErr` | 400 | consumer expected to be ephemeral but a durable name was set in request | | 10026 | `JSMaximumConsumersLimitErr` | 400 | maximum consumers limit reached | | 10029 | `JSMirrorConsumerSetupFailedErrF` | 500 | `{err}` | | 10045 | `JSSourceConsumerSetupFailedErrF` | 500 | `{err}` | | 10078 | `JSConsumerConfigRequiredErr` | 400 | consumer config required | | 10079 | `JSConsumerDeliverToWildcardsErr` | 400 | consumer deliver subject has wildcards | | 10080 | `JSConsumerPushMaxWaitingErr` | 400 | consumer in push mode can not set max waiting | | 10081 | `JSConsumerDeliverCycleErr` | 400 | consumer deliver subject forms a cycle | | 10082 | `JSConsumerMaxPendingAckPolicyRequiredErr` | 400 | consumer requires ack policy for max ack pending | | 10083 | `JSConsumerSmallHeartbeatErr` | 400 | consumer idle heartbeat needs to be >= 100ms | | 10084 | `JSConsumerPullRequiresAckErr` | 400 | consumer in pull mode requires explicit ack policy on workqueue stream | | 10085 | `JSConsumerPullNotDurableErr` | 400 | consumer in pull mode requires a durable name | | 10086 | `JSConsumerPullWithRateLimitErr` | 400 | consumer in pull mode can not have rate limit set | | 10087 | `JSConsumerMaxWaitingNegativeErr` | 400 | consumer max waiting needs to be positive | | 10088 | `JSConsumerHBRequiresPushErr` | 400 | consumer idle heartbeat requires a push based consumer | | 10089 | `JSConsumerFCRequiresPushErr` | 400 | consumer flow control requires a push based consumer | | 10090 | `JSConsumerDirectRequiresPushErr` | 400 | consumer direct requires a push based consumer | | 10091 | `JSConsumerDirectRequiresEphemeralErr` | 400 | consumer direct requires an ephemeral consumer | | 10092 | `JSConsumerOnMappedErr` | 400 | consumer direct on a mapped consumer | | 10093 | `JSConsumerFilterNotSubsetErr` | 400 | consumer filter subject is not a valid subset of the interest subjects | | 10094 | `JSConsumerInvalidPolicyErrF` | 400 | `{err}` | | 10095 | `JSConsumerInvalidSamplingErrF` | 400 | failed to parse consumer sampling configuration: `{err}` | | 10098 | `JSConsumerWQRequiresExplicitAckErr` | 400 | workqueue stream requires explicit ack | | 10099 | `JSConsumerWQMultipleUnfilteredErr` | 400 | multiple non-filtered consumers not allowed on workqueue stream | | 10100 | `JSConsumerWQConsumerNotUniqueErr` | 400 | filtered consumer not unique on workqueue stream | | 10101 | `JSConsumerWQConsumerNotDeliverAllErr` | 400 | consumer must be deliver all on workqueue stream | | 10102 | `JSConsumerNameTooLongErrF` | 400 | consumer name is too long, maximum allowed is `{max}` | | 10103 | `JSConsumerBadDurableNameErr` | 400 | durable name can not contain '.', '\*', '>' | | 10104 | `JSConsumerStoreFailedErrF` | 500 | error creating store for consumer: `{err}` | | 10105 | `JSConsumerExistingActiveErr` | 400 | consumer already exists and is still active | | 10106 | `JSConsumerReplacementWithDifferentNameErr` | 400 | consumer replacement durable config not the same | | 10107 | `JSConsumerDescriptionTooLongErrF` | 400 | consumer description is too long, maximum allowed is `{max}` | | 10108 | `JSConsumerWithFlowControlNeedsHeartbeats` | 400 | consumer with flow control also needs heartbeats | | 10112 | `JSConsumerInvalidDeliverSubject` | 400 | invalid push consumer deliver subject | | 10114 | `JSConsumerMaxRequestBatchNegativeErr` | 400 | consumer max request batch needs to be > 0 | | 10115 | `JSConsumerMaxRequestExpiresTooSmall` | 400 | consumer max request expires needs to be >= 1ms | | 10116 | `JSConsumerMaxDeliverBackoffErr` | 400 | max deliver is required to be > length of backoff values | | 10119 | `JSConsumerOfflineErr` | 500 | consumer is offline | | 10121 | `JSConsumerMaxPendingAckExcessErrF` | 400 | consumer max ack pending exceeds system limit of `{limit}` | | 10125 | `JSConsumerMaxRequestBatchExceededF` | 400 | consumer max request batch exceeds server limit of `{limit}` | | 10126 | `JSConsumerReplicasExceedsStream` | 400 | consumer config replica count exceeds parent stream | | 10127 | `JSConsumerNameContainsPathSeparatorsErr` | 400 | Consumer name can not contain path separators | | 10131 | `JSConsumerCreateFilterSubjectMismatchErr` | 400 | Consumer create request did not match filtered subject from create subject | | 10132 | `JSConsumerCreateDurableAndNameMismatch` | 400 | Consumer Durable and Name have to be equal if both are provided | | 10134 | `JSConsumerReplicasShouldMatchStream` | 400 | consumer config replicas must match interest retention stream's replicas | | 10135 | `JSConsumerMetadataLengthErrF` | 400 | consumer metadata exceeds maximum size of `{limit}` | | 10136 | `JSConsumerDuplicateFilterSubjects` | 400 | consumer cannot have both FilterSubject and FilterSubjects specified | | 10137 | `JSConsumerMultipleFiltersNotAllowed` | 400 | consumer with multiple subject filters cannot use subject based API | | 10138 | `JSConsumerOverlappingSubjectFilters` | 400 | consumer subject filters cannot overlap | | 10139 | `JSConsumerEmptyFilter` | 400 | consumer filter in FilterSubjects cannot be empty | | 10148 | `JSConsumerAlreadyExists` | 400 | consumer already exists | | 10149 | `JSConsumerDoesNotExist` | 400 | consumer does not exist | | 10153 | `JSConsumerInactiveThresholdExcess` | 400 | consumer inactive threshold exceeds system limit of `{limit}` | | 10159 | `JSConsumerPriorityPolicyWithoutGroup` | 400 | Setting PriorityPolicy requires at least one PriorityGroup to be set | | 10160 | `JSConsumerInvalidPriorityGroupErr` | 400 | Provided priority group does not exist for this consumer | | 10161 | `JSConsumerEmptyGroupName` | 400 | Group name cannot be an empty string | | 10162 | `JSConsumerInvalidGroupNameErr` | 400 | Valid priority group name must match A-Z, a-z, 0-9, -\_/=)+ and may not exceed 16 characters | | 10178 | `JSConsumerPushWithPriorityGroupErr` | 400 | priority groups can not be used with push consumers | | 10181 | `JSConsumerAckPolicyInvalidErr` | 400 | consumer ack policy invalid | | 10182 | `JSConsumerReplayPolicyInvalidErr` | 400 | consumer replay policy invalid | | 10183 | `JSConsumerAckWaitNegativeErr` | 400 | consumer ack wait needs to be positive | | 10184 | `JSConsumerBackOffNegativeErr` | 400 | consumer backoff needs to be positive | | 10195 | `JSConsumerOfflineReasonErrF` | 500 | consumer is offline: `{err}` | | 10196 | `JSConsumerPriorityGroupWithPolicyNone` | 400 | consumer can not have priority groups when policy is none | | 10197 | `JSConsumerPinnedTTLWithoutPriorityPolicyNone` | 400 | PinnedTTL cannot be set when PriorityPolicy is none | | 10204 | `JSConsumerInvalidResetErr` | 400 | invalid reset: `{err}` | | 10213 | `JSMirrorDurableConsumerCfgInvalid` | 400 | stream mirror consumer config is invalid | | 10214 | `JSMirrorConsumerRequiresAckFCErr` | 400 | stream mirror consumer requires flow control ack policy | | 10215 | `JSSourceDurableConsumerCfgInvalid` | 400 | stream source consumer config is invalid | | 10216 | `JSSourceDurableConsumerDuplicateDetected` | 400 | duplicate stream source consumer detected | | 10217 | `JSSourceConsumerRequiresAckFCErr` | 400 | stream source consumer requires flow control ack policy | | 10218 | `JSConsumerAckFCRequiresPushErr` | 400 | flow control ack policy requires a push based consumer | | 10219 | `JSConsumerAckFCRequiresFCErr` | 400 | flow control ack policy requires flow control | | 10220 | `JSConsumerAckFCRequiresMaxAckPendingErr` | 400 | flow control ack policy requires max ack pending | | 10221 | `JSConsumerAckFCRequiresNoAckWaitErr` | 400 | flow control ack policy requires unset ack wait | | 10222 | `JSConsumerAckFCRequiresNoMaxDeliverErr` | 400 | flow control ack policy requires unset max deliver | ## Stream Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------------------- | ----------- | ----------------------------------------------------------------------------------- | | 10021 | `JSStreamExternalApiOverlapErrF` | 400 | stream external api prefix `{prefix}` must not overlap with `{subject}` | | 10022 | `JSStreamExternalDelPrefixOverlapsErrF` | 400 | stream external delivery prefix `{prefix}` overlaps with stream subject `{subject}` | | 10024 | `JSStreamInvalidExternalDeliverySubjErrF` | 400 | stream external delivery prefix `{prefix}` must not contain wildcards | | 10027 | `JSMaximumStreamsLimitErr` | 400 | maximum number of streams reached | | 10048 | `JSStreamAssignmentErrF` | 500 | `{err}` | | 10049 | `JSStreamCreateErrF` | 500 | `{err}` | | 10050 | `JSStreamDeleteErrF` | 500 | `{err}` | | 10051 | `JSStreamGeneralErrorF` | 500 | `{err}` | | 10052 | `JSStreamInvalidConfigF` | 500 | `{err}` | | 10053 | `JSStreamLimitsErrF` | 500 | `{err}` | | 10054 | `JSStreamMessageExceedsMaximumErr` | 400 | message size exceeds maximum allowed | | 10056 | `JSStreamMismatchErr` | 400 | stream name in subject does not match request | | 10057 | `JSStreamMsgDeleteFailedF` | 500 | `{err}` | | 10058 | `JSStreamNameExistErr` | 400 | stream name already in use with a different configuration | | 10059 | `JSStreamNotFoundErr` | 404 | stream not found | | 10060 | `JSStreamNotMatchErr` | 400 | expected stream does not match | | 10061 | `JSStreamReplicasNotUpdatableErr` | 400 | Replicas configuration can not be updated | | 10062 | `JSStreamRestoreErrF` | 500 | restore failed: `{err}` | | 10063 | `JSStreamSequenceNotMatchErr` | 503 | expected stream sequence does not match | | 10064 | `JSStreamSnapshotErrF` | 500 | snapshot failed: `{err}` | | 10065 | `JSStreamSubjectOverlapErr` | 400 | subjects overlap with an existing stream | | 10066 | `JSStreamTemplateCreateErrF` | 500 | `{err}` | | 10067 | `JSStreamTemplateDeleteErrF` | 500 | `{err}` | | 10068 | `JSStreamTemplateNotFoundErr` | 404 | template not found | | 10069 | `JSStreamUpdateErrF` | 500 | `{err}` | | 10070 | `JSStreamWrongLastMsgIDErrF` | 400 | wrong last msg ID: `{id}` | | 10071 | `JSStreamWrongLastSequenceErrF` | 400 | wrong last sequence: `{seq}` | | 10074 | `JSStreamReplicasNotSupportedErr` | 500 | replicas > 1 not supported in non-clustered mode | | 10077 | `JSStreamStoreFailedF` | 503 | `{err}` | | 10096 | `JSStreamInvalidErr` | 500 | stream not valid | | 10097 | `JSStreamHeaderExceedsMaximumErr` | 400 | header size exceeds maximum allowed of 64k | | 10109 | `JSStreamSealedErr` | 400 | invalid operation on sealed stream | | 10110 | `JSStreamPurgeFailedF` | 500 | `{err}` | | 10111 | `JSStreamRollupFailedF` | 500 | `{err}` | | 10113 | `JSStreamMaxBytesRequired` | 400 | account requires a stream config to have max bytes set | | 10117 | `JSStreamInfoMaxSubjectsErr` | 500 | subject details would exceed maximum allowed | | 10118 | `JSStreamOfflineErr` | 500 | stream is offline | | 10122 | `JSStreamMaxStreamBytesExceeded` | 400 | stream max bytes exceeds account limit max stream bytes | | 10123 | `JSStreamMoveAndScaleErr` | 400 | can not move and scale a stream in a single update | | 10124 | `JSStreamMoveInProgressF` | 400 | stream move already in progress: `{msg}` | | 10128 | `JSStreamNameContainsPathSeparatorsErr` | 400 | Stream name can not contain path separators | | 10129 | `JSStreamMoveNotInProgress` | 400 | stream move not in progress | | 10130 | `JSStreamNameExistRestoreFailedErr` | 400 | stream name already in use, cannot restore | | 10156 | `JSStreamTransformInvalidDestination` | 400 | stream transform: `{err}` | | 10158 | `JSStreamDuplicateMessageConflict` | 409 | duplicate message id is in process | | 10163 | `JSStreamExpectedLastSeqPerSubjectNotReady` | 503 | expected last sequence per subject temporarily unavailable | | 10164 | `JSStreamWrongLastSequenceConstantErr` | 400 | wrong last sequence | | 10167 | `JSStreamTooManyRequests` | 429 | too many requests | | 10180 | `JSStreamMinLastSeqErr` | 412 | min last sequence | | 10193 | `JSStreamExpectedLastSeqPerSubjectInvalid` | 400 | missing sequence for expected last sequence per subject | | 10194 | `JSStreamOfflineReasonErrF` | 500 | stream is offline: `{err}` | ## Mirror Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------------- | ----------- | -------------------------------------------------------------------------------- | | 10030 | `JSMirrorMaxMessageSizeTooBigErr` | 400 | stream mirror must have max message size >= source | | 10031 | `JSMirrorWithSourcesErr` | 400 | stream mirrors can not also contain other sources | | 10032 | `JSMirrorWithStartSeqAndTimeErr` | 400 | stream mirrors can not have both start seq and start time configured | | 10033 | `JSMirrorWithSubjectFiltersErr` | 400 | stream mirrors can not contain filtered subjects | | 10034 | `JSMirrorWithSubjectsErr` | 400 | stream mirrors can not contain subjects | | 10055 | `JSStreamMirrorNotUpdatableErr` | 400 | stream mirror configuration can not be updated | | 10142 | `JSMirrorInvalidStreamName` | 400 | mirrored stream name is invalid | | 10143 | `JSMirrorWithFirstSeqErr` | 400 | stream mirrors can not have first sequence configured | | 10150 | `JSMirrorMultipleFiltersNotAllowed` | 400 | mirror with multiple subject transforms cannot also have a single subject filter | | 10151 | `JSMirrorInvalidSubjectFilter` | 400 | mirror transform source: `{err}` | | 10152 | `JSMirrorOverlappingSubjectFilters` | 400 | mirror subject filters can not overlap | | 10154 | `JSMirrorInvalidTransformDestination` | 400 | mirror transform: `{err}` | | 10173 | `JSMirrorWithCountersErr` | 400 | stream mirrors can not also calculate counters | | 10186 | `JSMirrorWithMsgSchedulesErr` | 400 | stream mirrors can not also schedule messages | | 10198 | `JSMirrorWithAtomicPublishErr` | 400 | stream mirrors can not also use atomic publishing | | 10209 | `JSMirrorWithBatchPublishErr` | 400 | stream mirrors can not also use batch publishing | ## Source Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------------- | ----------- | -------------------------------------------------------------------------------- | | 10046 | `JSSourceMaxMessageSizeTooBigErr` | 400 | stream source must have max message size >= target | | 10140 | `JSSourceDuplicateDetected` | 400 | duplicate source configuration detected | | 10141 | `JSSourceInvalidStreamName` | 400 | sourced stream name is invalid | | 10144 | `JSSourceMultipleFiltersNotAllowed` | 400 | source with multiple subject transforms cannot also have a single subject filter | | 10145 | `JSSourceInvalidSubjectFilter` | 400 | source transform source: `{err}` | | 10146 | `JSSourceInvalidTransformDestination` | 400 | source transform: `{err}` | | 10147 | `JSSourceOverlappingSubjectFilters` | 400 | source filters can not overlap | | 10155 | `JSStreamTransformInvalidSource` | 400 | stream transform source: `{err}` | | 10187 | `JSSourceWithMsgSchedulesErr` | 400 | stream source can not also schedule messages | | 10203 | `JSMessageSchedulesSourceInvalidErr` | 400 | message schedules source is invalid | ## Message Errors | Error Code | Constant | HTTP Status | Description | | ---------- | -------------------------------------------- | ----------- | -------------------------------------------------- | | 10037 | `JSNoMessageFoundErr` | 404 | no message found | | 10165 | `JSMessageTTLInvalidErr` | 400 | invalid per-message TTL | | 10166 | `JSMessageTTLDisabledErr` | 400 | per-message TTL is disabled | | 10168 | `JSMessageIncrDisabledErr` | 400 | message counters is disabled | | 10169 | `JSMessageIncrMissingErr` | 400 | message counter increment is missing | | 10170 | `JSMessageIncrPayloadErr` | 400 | message counter has payload | | 10171 | `JSMessageIncrInvalidErr` | 400 | message counter increment is invalid | | 10172 | `JSMessageCounterBrokenErr` | 400 | message counter is broken | | 10188 | `JSMessageSchedulesDisabledErr` | 400 | message schedules is disabled | | 10189 | `JSMessageSchedulesPatternInvalidErr` | 400 | message schedules pattern is invalid | | 10190 | `JSMessageSchedulesTargetInvalidErr` | 400 | message schedules target is invalid | | 10191 | `JSMessageSchedulesTTLInvalidErr` | 400 | message schedules invalid per-message TTL | | 10192 | `JSMessageSchedulesRollupInvalidErr` | 400 | message schedules invalid rollup | | 10201 | `JSAtomicPublishContainsDuplicateMessageErr` | 400 | atomic publish batch contains duplicate message id | | 10212 | `JSMessageSchedulesSchedulerInvalidErr` | 400 | message schedules invalid scheduler | | 10223 | `JSMessageSchedulesTimeZoneInvalidErr` | 400 | message schedules time zone is invalid | ## Atomic Publish Errors | Error Code | Constant | HTTP Status | Description | | ---------- | ------------------------------------------ | ----------- | -------------------------------------------------- | | 10174 | `JSAtomicPublishDisabledErr` | 400 | atomic publish is disabled | | 10175 | `JSAtomicPublishMissingSeqErr` | 400 | atomic publish sequence is missing | | 10176 | `JSAtomicPublishIncompleteBatchErr` | 400 | atomic publish batch is incomplete | | 10177 | `JSAtomicPublishUnsupportedHeaderBatchErr` | 400 | atomic publish unsupported header used: `{header}` | | 10179 | `JSAtomicPublishInvalidBatchIDErr` | 400 | atomic publish batch ID is invalid | | 10199 | `JSAtomicPublishTooLargeBatchErrF` | 400 | atomic publish batch is too large: `{size}` | | 10200 | `JSAtomicPublishInvalidBatchCommitErr` | 400 | atomic publish batch commit is invalid | | 10210 | `JSAtomicPublishTooManyInflight` | 429 | atomic publish too many inflight | ## Appendix ### Additional Information Some errors include additional context: * **Help Text**: Some errors provide additional help information to guide troubleshooting * **Comments**: Internal comments about the error condition * **Deprecations**: Some errors deprecate older error codes * **Placeholders**: Errors with `F` suffix typically include placeholders (e.g., `{err}`, `{limit}`) that are replaced with actual values at runtime ### HTTP Status Codes JetStream errors typically map to the following HTTP status codes: * **400 Bad Request**: Client error, invalid request or configuration * **404 Not Found**: Resource not found (stream, consumer, message) * **409 Conflict**: Conflicting operation or state * **412 Precondition Failed**: Required precondition not met * **429 Too Many Requests**: Rate limiting * **500 Internal Server Error**: Server-side error * **503 Service Unavailable**: Temporary unavailability or clustering issues