SAP ABAP Program MSERPI01 (MSERPI01) is using

• Table/Structure Field (20)
• Function Module (5)
• Message Number (11)
• Table (5)
• Transaction Code (1)

#	Object Type	Object Name	Object Description	Note
1	Message Number	DS - 316	Sub-tree saved
2	Message Number	DS - 325	Reporting tree & already exists
3	Message Number	DS - 326	Report tree & does not exist
4	Message Number	DS - 327	Internal error (Mode &1, function &2, transaction &3)
5	Message Number	DS - 331	Reporting tree is already being edited
6	Message Number	DS - 366	Trees with names beginning with Y or Z are reserved for customers
7	Message Number	DS - 367	Choose a name beginning with Y or Z
8	Message Number	DS - 396	Enter a report tree
9	Message Number	DS - 403	No documentation found
10	Message Number	DS - 451	Tree has been copied
11	Message Number	DS - 452	Tree variant & created