Solution : https://service.sap.com/sap/support/notes/303224 (SAP Service marketplace login required)
Key words :
sap&coois sap&hvom sap&print sap&release, additional key words order information system, function 'deselect entire column', save user-defined variants, save selection screen variants, order information system, column 'save field, selection screen variants, entered field values, information system
Related Notes :
312603 | Changing variant, duplicate variants |
303245 | COOIS: Standard variants preselected, damaged |
216746 | COOIS: System status cannot be deleted |
80526 | Unlocking protected variants |