Thrown when the (illegal) value of a property can not be persisted. There are two main causes: a property declared not-null="true" is null or an association references an unsaved transient instance
Undocumented in source.
See Implementation
Thrown when the (illegal) value of a property can not be persisted. There are two main causes: a property declared not-null="true" is null or an association references an unsaved transient instance