Message Number list used by SAP ABAP Program MN1C1F00 (R/3MED: General FORM Routines)

#	Object Type	Object Name	Object Description

1	Message Number	NF - 301	Assignments already exist
2	Message Number	NF - 608	Select one row only
3	Message Number	NF - 604	Enter data
4	Message Number	NF - 603	Select end of block
5	Message Number	NF - 602	Select a valid row
6	Message Number	NF - 311	Period of assignment may not overlap
7	Message Number	NF - 308	<Object> could not be locked. SY-SUBRC = &
8	Message Number	NF - 307	<Object> already locked by & (try later)
9	Message Number	NF - 306	You have already locked the <object>
10	Message Number	NF - 002	Enter a valid position
11	Message Number	NF - 300	No assignments found
12	Message Number	NF - 011	& is not a valid employee
13	Message Number	NF - 010	Deletion indicator is not set for person &
14	Message Number	NF - 009	Enter a valid person number
15	Message Number	NF - 008	Nothing changed
16	Message Number	NF - 007	Changes saved
17	Message Number	NF - 003	Position & is selected for deletion