Message Number list used by SAP ABAP Program MM03EI00 (MM03EI00)

#	Object Type	Object Name	Object Description

1	Message Number	M3 - 345	The last unit of measure has already been reached
2	Message Number	M3 - 563	Unit of measure & not allowed for the current material
3	Message Number	M3 - 492	Conversion factors for unit on main screen changeable only with BMMH6
4	Message Number	M3 - 397	Conversion may not be changed for base unit of measure
5	Message Number	M3 - 396	& is not a unit of length
6	Message Number	M3 - 395	Specify the relevant unit of length
7	Message Number	M3 - 348	The EAN & is already used for the material &
8	Message Number	M3 - 347	EAN already used for unit of measure & of this material
9	Message Number	M3 - 346	The first unit of measure has already been reached
10	Message Number	M3 - 027	& cannot be used as alt. unit since resulting unit would be too long
11	Message Number	M3 - 339	Choose a unit of measure
12	Message Number	M3 - 335	Unit of measure group & does not exist
13	Message Number	M3 - 331	Unit of measure & already exists
14	Message Number	M3 - 176	The net weight is greater than the gross weight
15	Message Number	M3 - 093	& not a valid unit of volume
16	Message Number	M3 - 092	Specify the relevant unit of volume
17	Message Number	M3 - 091	& not a valid unit of weight
18	Message Number	M3 - 090	Specify the relevant unit of weight