SAP ABAP Message Number BK - 128 (BK) is used by

• Class (1)
• Function Module (2)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_INTERNAL_ACTIVITY_CK Method: CALCULATE	PCP Valuation Object Internal Activity	CKBK	APPL	SAP_FIN