Solution : https://service.sap.com/sap/support/notes/1070347 (SAP Service marketplace login required)
Key words :
transaction /scwm/tu, response time reason, attached correction instructions, free delivery items, free handling units, terms handling unit, select free deliveries, free deliveries, transportation unit, error message
Related Notes :
1109846 | Composite SAP note for performance in transaction /SCWM/TU |