Solution : https://service.sap.com/sap/support/notes/1063854 (SAP Service marketplace login required)
Key words :
transaction /scwm/tu, select handling units, attached correction instructions, terms handling unit, transportation unit, selection screen, error scenario, program error, implement note 1064814, prerequisites
Related Notes :
1109846 | Composite SAP note for performance in transaction /SCWM/TU |
1060960 | /SCWM/TU: Search for free deliveries, items and HUs |
1041980 | /SCWM/TU: Error when selecting deliveries / HUs |