SAP ABAP Interface IF_WER_ELEMENT (Rule element base) is using

• Class (6)
• Data Element (12)
• Interface (2)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_WER_CONST	Constants
2	Class	CX_WER_AUTHORIZATION	Authorization error
3	Class	CX_WER_DATA_EXISTS	Unique identifier exists
4	Class	CX_WER_DATA_INVALID	Invalid data supplied
5	Class	CX_WER_DATA_NOT_FOUND	Value does not exist
6	Class	CX_WER_OPERATION_FAILED	Operation failed exception