SAP ABAP Message Number R1 - 388 (R1) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	BDT_FUNCTION_DO_NAV_EXTRA	BDT_FUNCTION_DO_NAV_EXTRA	BUPA	ABA	SAP_ABA
2	Function Module	BDT_FUNCTION_NAVIGATE	BDT_FUNCTION_NAVIGATE	BUPA	ABA	SAP_ABA
3	Function Module	BDT_SCREEN_SELECT_PBO	BDT_SCREEN_SELECT_PBO	BUPA	ABA	SAP_ABA
4	Function Module	BUS_SCREEN_CALL	BUS_SCREEN_CALL	BUPA	ABA	SAP_ABA