How to add a new field to MB51?
If the field is from MKPF or MSEG , then just fill checkboxes in SPRO >> IMG>>Materials Management>>Inventory Management and Physical Inventory>>Reporting>>Define Field Selection for Material Document List If it is not , then Open the program RM07DOCS 1) Extend the structure Before DATA : END OF list . add the enhancement with your field. 2) Add the logic to fill in the beginning of FORM output_list . 3) Add the field to the field catalog in the end of, as for example: INSERT VALUE # ( fieldname = 'MATKL' tabname = 'LIST' ref_tabname = 'MARA' ref_fieldname = 'MATKL' ) INTO TABLE fc_flat .