SAP ABAP Message Number M8_2 - 302 (M8_2) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_MRM_RETENTION Method: PROPOSAL_LOGIC	Retention Amounts in Invoice Verification	MRM	APPL	SAP_APPL
2	Class	CL_MRM_RETENTION Method: CUSTOMER_BADI_PROPOSAL_CHANGE	Retention Amounts in Invoice Verification	MRM	APPL	SAP_APPL
3	Class	CL_MRM_RETENTION Method: RETENTION_POSITION_AMOUNTS	Retention Amounts in Invoice Verification	MRM	APPL	SAP_APPL
4	Class	CL_MRM_RETENTION Method: BAPI_PRE_CHECK	Retention Amounts in Invoice Verification	MRM	APPL	SAP_APPL