Solution : https://service.sap.com/sap/support/notes/203920 (SAP Service marketplace login required)
Key words :
standard plant determination, user exit 'userexit_source_determination', additional key words, attached advance correction, order processing, item level, longer executed, prerequisites solution
Related Notes :
| 321021 | Unwanted redetermination of the route |
| 202025 | Plant determination in the user exit is ignored |