Solution : https://service.sap.com/sap/support/notes/1391980 (SAP Service marketplace login required)
Key words : 
system issues system message ki 249, postprocess faulty goods movementsconfirmed quantity, defense forces & public security, postprocess faulty goods movements, complete wm data, true account assignment, source code corrections, post goods movements, initial confirmed quantity, material staging indicator
Related Notes : 
       
| 1076530 | MB26: WM batch determination: Error LC1 004 | 
| 900346 | MB26: WM batch determination is not executed | 
| 822780 | MB26 confirmed reservation quantity not displayed |