SAP ABAP Message Class MK (Mass Handling in the Material Master) is used by

• Class (13)
• Function Module (8)
• Program (22)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CHECK_WERKS_TAB	Prüfen der Werke in WERKS_TAB	MGW	APPL	SAP_APPL
2	Function Module	IDOC_INPUT_MATMAS01	Einbuchen Materialstamm IDOC	MGV	APPL	SAP_APPL
3	Function Module	MARA_GEWEI	Prüfen MARA-GEWEI	MGA	APPL	SAP_APPL
4	Function Module	MASS_SAVE_ARTCHAR_PARALLEL	Calls wrapper for parallel and background processing	MGA	APPL	SAP_APPL
5	Function Module	MASS_SAVE_ARTICLE_PARALLEL	callls wrapper for parallel and background processing	MGA	APPL	SAP_APPL
6	Function Module	MASS_SAVE_ARTICLE_USING_BAPI_2	callls wrapper for parallel and background processing	MGA	APPL	SAP_APPL
7	Function Module	MATERIAL_MAINTAIN_DARK	Material anlegen/ändern ohne Dialog	MGA	APPL	SAP_APPL
8	Function Module	TRANSFORM_KEY_STRUCTURE	Umsetzen der Key-Felder des Einstiegsbildes in benötigte Keys	MGW	APPL	SAP_APPL