DataAssociationMapping.refersTo property which returns the field name where a mapping refers to is sometimes null. DataAssociationMapping.refersTo is being used for validating specific associations between data models where the multiplicity is set to zero or one. A null value produces an exception.
DataAssociationMapping.refersToproperty which returns the field name where a mapping refers to is sometimes null.DataAssociationMapping.refersTois being used for validating specific associations between data models where the multiplicity is set to zero or one. A null value produces an exception.