R101985 Object - Nested Object Creation Not Allowed

Code	R101985
Entity	Systems.Core.ExtensibleDataObjects
Name	NestedObjectCreationNotAllowed
Attribute	EntityType
Layer	Back-End
Events	Commit
Record State	Inserted
Priority	Normal
Modify	NO
Applicable Legislations	ALL // no condition needed
Action	For a new ExtensibleDataObject (ObjectState = Added), validate that EntityType is not Sys_Objects. The comparison is case-insensitive.
Description	An ExtensibleDataObject holds metadata for an aggregate root. An ExtensibleDataObject is its own metadata object and must not have another ExtensibleDataObject attached to it. The rule rejects the creation of nested ExtensibleDataObjects at server Commit, including creation initiated by a client application or by server-side code. Existing historical nested records pass this rule when updated. They are not modified or deleted by the rule, and all other applicable validations still run.
Message	An ExtensibleDataObject cannot be created for another ExtensibleDataObject.
Version	Introduced: v.26.3
Revocable	NO

* For more information about the Business Rules Documentation Template and a short explanation of each column, see topic System Business Rules.