OMF event codes (positive-numbered codes)

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Last UpdatedSep 04, 2025
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OMF event codes with positive numbers are related directly to OMF messages.

Event Code	Name	Severity Level	Status Code	Description
1001	FeatureNotImplemented	Error	501	Feature not implemented.
1002	FeatureNotSupported	Error	501	Feature not supported.
1003	StorageLayerTransactionsFailed	Error	500	Storage layer transaction(s) failed; message contents were not completely stored.
1004	UnhandledException	Error	500	An error has occurred.
1005	FeatureImplementationUndefined	Warning		Feature implementation undefined.
1006	ResourceCannotBeRepresented	Error	409	The resource cannot be represented in a way that would allow the operation to proceed.
2001	MissingRequiredOmfHeader	Error	400	OMF message does not contain required header.
2002	DuplicateOmfHeaderSpecified	Error	400	OMF message contained multiple values for a header.
2003	ActionNotValid	Error	400	The value specified for the 'action' header is not valid.
2004	CompressionNotValid	Error	400	The value specified for the 'compression' header is not valid.
2005	MessageTypeNotValid	Error	400	The value specified for the 'messagetype' header is not valid.
2006	MessageFormatNotValid	Error	400	The value specified for the 'messageformat' header is not valid.
2007	OmfVersionNotValid	Error	400	The value specified for the 'omfversion' header is not valid.
3001	MessageDecompressionFailure	Error	400	A value for the 'compression' header was specified, but the message could not be decompressed.
3002	ParserException	Error	400	An error parsing the OMF message(s) occurred.
3003	ValueUnableToBeParsed	Error	400	Value could not be parsed.
3004	ValueOutOfRange	Error	400	The specified value is outside the allowable range.
3006	IllegalTypeFormatCombination	Error	400	An illegal type property type and format combination was specified.
3007	PropertyNamesMustBeUnique	Error	501	Property names must be unique.
3008	FieldRequired	Error	400	Required field not found.
3009	ReservedPrefixNotAllowed	Error	400	Names and indices cannot begin with '__'. These are reserved for system use.
3010	TagCannotBeNull	Error	400	Tag cannot be null.
3011	FieldExclusive	Error	400	Exclusive fields were found.
3012	SpecifiedOverridesAreNotValidForProperty	Error	400	The specified overrides are not valid for this property.
3013	MaximumJsonMessageDepthExceeded	Error	400	Maximum JSON message depth exceeded.
4001	CannotDeleteTypeInUse	Error	409	A type cannot be deleted while it is in use.
4002	ExceptionCreatingType	Error	500	An exception occurred while creating a type.
4003	ExceptionDeletingType	Error	500	An exception occurred while deleting a type.
4004	ExceptionUpdatingType	Error	500	An exception occurred while updating a type.
4006	TypeIndexPropertyCannotBeNullable	Error	400	Type cannot have a nullable 'IsIndex' property.
4007	TypeMustHaveAtLeastOneIndexProperty	Error	400	Type must have at least one 'IsIndex' property.
4008	TypeMustHaveNoMoreThanOneNameProperty	Error	400	Type cannot have more than one 'IsName' property.
4009	TypeNamePropertyCannotBeNullable	Error	400	Type cannot have a nullable 'IsName' property.
4010	TypeContainerMismatch	Error	500	The specified container exists, but does not match with the expected type.
4011	TypeConflictsWithExisting	Error	409	A type with the supplied ID and version already exists, but it does not match the supplied type.
4013	TypeNotFound	Error	404	Type not found.
4014	TypeAlreadyDeleted	Info		Attempted to delete type that has either already been deleted, or never existed.
4016	UnhandledTypeClassification	Error	400	Unhandled type classification.
4017	VersionFormatNotValid	Error	400	Version must be in the format of 'X.X.X.X'.
4018	TypeIdCannotBeWhitespace	Error	400	Type ID cannot be empty or whitespace.
4019	TypeAlreadyExists	Warning		The type with the supplied ID and version already exists.
4020	DynamicTypeCannotHaveNameProperty	Warning		Dynamic types cannot have name properties.
4021	TypeCannotHaveBothEnumAndProperties	Error	400	A type cannot have both 'Enum' and 'Properties'.
4022	EnumTypeCannotHaveClassification	Error	400	Enumeration types cannot have a type classification.
4023	EnumTypeMustHaveAtLeastOneValue	Error	400	Enumeration types must have at least one value.
4024	EnumValueNamesMustBeUnique	Error	400	Enumeration value names must be unique.
4025	DuplicateEnumNumericalValue	Warning		Enumeration contained a duplicate numerical value.
4027	UnhandledTypePropertyFormat	Error	400	Unhandled type property format.
4028	UnhandledTypePropertyType	Error	400	Unhandled type property type.
4029	TypePropertyTypeNotValid	Error	400	The specified type property type is not valid.
4030	TypePropertyCannotBeNull	Error	400	Type property cannot be null.
4031	PropertyCannotHaveBothTypeAndRefTypeId	Error	400	Property cannot specify both 'type' and 'reftypeid'.
4032	MinimumMaximumNotSupportedForPropertyType	Error	400	Minimum and maximum are only supported for properties of type 'integer' or 'number'.
4033	TypeMustHaveNoMoreThanOneQualityProperty	Error	400	Type cannot have more than one 'IsQuality' property.
4034	EnumTypeMustBeInteger	Error	400	Enumeration types must be of type 'Integer'.
4035	TypeCreated	Debug	201	A type was created.
4036	InterpolationModeNotValid	Error	400	The specified interpolation mode is not valid.
4037	ExtrapolationModeNotValid	Error	400	The specified extrapolation mode is not valid.
4038	EnumTypeCannotHaveExtrapolation	Error	400	Enumeration types cannot have an extrapolation mode.
4039	InterpolationModeNotAllowedOnIndexName	Warning		Interpolation modes cannot be specified on index or name properties. The specified interpolation mode will be ignored.
5001	ContainerConflictsWithExisting	Error	409	A container with the supplied ID already exists, but does not match the supplied container.
5002	ContainerNotFound	Error	404	Container not found.
5003	ContainerOnlyDynamicTypeAllowed	Error	400	Container must use a dynamic type.
5004	ExceptionCreatingContainer	Error	500	An exception occurred while creating a container.
5005	ExceptionDeletingContainer	Error	500	An exception occurred while deleting a container
5006	ExceptionUpdatingContainer	Error	500	An exception occurred while updating a container.
5007	ContainerCannotHaveNullSecondaryIndex	Error	400	Container cannot have a null secondary index.
5008	ContainerCannotHaveDuplicateSecondaryIndex	Error	400	Container cannot have a duplicate secondary index.
5009	ContainerSecondaryIndexMustBePropertyId	Error	400	Container secondary indices must be properties on the container type.
5010	ContainerPropertyOverrideMustBeTypeProperty	Error	400	Container property overrides must map to properties on the container type.
5011	ContainerCreated	Debug	201	A container was created.
6001	DataProcessException	Error	500	An error processing the OMF data message occurred.
6002	DataMessageNotValid	Error	400	The OMF data message provided is not valid.
6003	DataMessageValueNotValid	Error	400	The OMF data message value is not valid.
6004	DuplicateLinkInRequest	Warning		Request contained a duplicate link.
6005	DuplicateStaticInstance	Warning		Attempted to create a duplicate static instance.
6006	DynamicInstanceNotFound	Error	400	The specified dynamic instance could not be found.
6007	ExceptionCreatingData	Error	500	An exception occurred while creating data.
6008	ExceptionDeletingData	Error	500	An exception occurred while deleting data.
6009	ExceptionUpdatingData	Error	500	An exception occurred while updating data.
6010	LinkCouldNotBeCreated	Error	409	The specified source and target could not be linked.
6011	LinkTargetAlreadyHasSource	Warning		The target of the link message already has a source.
6012	NonNullablePropertiesCannotHaveAValueOfNull	Error	400	Non-nullable properties cannot have a value of null.
6013	StaticDataMissingRequiredIndexProperty	Error	400	Static data value did not have a value for the index property.
6014	StaticDataMissingRequiredNameProperty	Error	400	Static data value did not have a value for the name property.
6015	StaticDataConflictsWithExisting	Error	409	A static instance with the supplied index was found, but it does not match the supplied static data value.
6016	StaticInstanceConflictsWithExisting	Error	409	A static instance with the specified ID was found, but it does not match the specified static instance.
6017	StaticInstanceNotFound	Error	404	The specified static instance could not be found.
6018	StaticInstanceNotUnique	Error	500	The specified static instance was not unique.
6019	StaticLinkTargetNotFound	Info		The specified static link target was not found.
6020	StaticLinkTargetNotLinked	Info		The specified source and target were not linked.
6021	PropertyWithSpecifiedIndexNotFound	Info		A property with the specified index was not found.
6022	StaticDataOnlyStaticTypeAllowed	Error	400	Static data must use a static type.
6023	DynamicDataMissingRequiredIndexProperty	Error	400	Dynamic data value was missing an index property.
6024	EnumValueNotFound	Error	404	Enumeration value not found.
6025	ExceptionBufferingCreateDataValue	Error	500	An exception occurred while buffering a create data value operation.
6026	ExceptionBufferingDeleteDataValue	Error	500	An exception occurred while buffering a delete data value operation.
6027	ExceptionBufferingUpdateDataValue	Error	500	An exception occurred while buffering an update data value operation.
6028	LinkCreated	Debug	201	A link was created.
6029	StaticInstanceCreated	Debug	201	A static instance was created.
6030	ExtensionPropertiesCannotCollideWithTypeProperties	Error	400	Extension properties cannot collide with type properties.
6031	DataMessageHasNonExistentExtensionProperties	Error	409	The OMF data message contains one or more non-type-derived OMF properties that do not exist on the static instance.
6032	LinkUpdated	Debug	200	A link was updated.

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OMF event codes (positive-numbered codes)

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OMF event codes (positive-numbered codes)

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