Solution : https://service.sap.com/sap/support/notes/520408 (SAP Service marketplace login required)
Key words :
solution create data element pp_atpm1, fill variable mdvax-datpm1, mengv15 field label short, quantity field label long, field label medium, change structure mdva, material availability check, quantity development class, data element, field datpm1
Related Notes :
493381 | Displaying maximum ATP quantity on missing parts list |