SAP ABAP Message Number XT - 644 (XT) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	TMS_UI_APPEND_TR_REQUEST	Transportauftrag an Importqueue anhängen	STMA	BASIS	SAP_BASIS
2	Function Module	TMS_UI_FORWARD_TR_REQUEST	Transportauftrag weiterleiten	STMA	BASIS	SAP_BASIS