Solution : https://service.sap.com/sap/support/notes/165038 (SAP Service marketplace login required)
Key words :
additional key words va01, symptom field atp quantity, sales order displays, attached program correction, atp quantity, incorrect quantity, program error, item overview, availability check, xvbap-katpmn
Related Notes :
176766 | Incorrect ATP quantity in list display |
164290 | Notes on APO-CIF 4.0B/1 contained in CRT 20 |