code: public static void mapping(String mappedFieldName, String mappedClassName, String targetFieldName, String targetClassName){
  		throw new MappingErrorException(MSG.INSTANCE.message(mappingErrorException4,mappedFieldName,mappedClassName, targetFieldName,targetClassName));
  	}
docs: Thrown when the target field doesn't exist.
  @param mappedFieldName name of the mapped field
  @param mappedClassName name of the mapped field's class
  @param targetFieldName name of the target field
  @param targetClassName name of the target field's class