Solution : https://service.sap.com/sap/support/notes/1263315 (SAP Service marketplace login required)
Key words :
clear field likp-grulg, clear likp-grulg, routing guide trigger, routing guide reason, combined weight logic, routing guide, combined weight, total weight, symptom modification, delivery process
Related Notes :
1262336 | FCX: Trigger RGX for all delivery items to get total weight. |
586941 | FCX - Modifications to SAP core |