Message Number list used by SAP ABAP Program LK40CF12 (Belegkopf - für anzeigen/stornieren)

#	Object Type	Object Name	Object Description

1	Message Number	BK - 027	The document numbered & does not exist
2	Message Number	BK - 172	Several documents were found; external number assignment is not possible.
3	Message Number	BK - 188	Document incomplete; transaction cannot be executed.
4	Message Number	BK - 195	Document has an external original system; transaction cannot be processed
5	Message Number	KI - 148	Reverse reposting document &1 for the activity allocation first
6	Message Number	KI - 149	Reverse CO reposting document &2 first