Solution : https://service.sap.com/sap/support/notes/79398 (SAP Service marketplace login required)
Key words : 
additional key words action, import hot package sapkh31g09, multi-level configuration, root level, lower level, set values, lower levels, longer executed, sales order, program error
Related Notes : 
       
| 90910 | 3.1I: Values in multi-level conf. are not set II |