Solution : https://service.sap.com/sap/support/notes/389072 (SAP Service marketplace login required)
Key words : 
function  oio_cm_determine_process  include   loio_grf01  include   roio_lcomd  include   roio_lcomk_f01this note, ~ftp/specific/isoil/46b/notes/note, olm plant determination routine oio_sc_get_supplying_plant isgiven, note includes anexample exit written, additional key words olm, supply plant business add-, supply plant badi determine_supply_plant, solution demand store location, -mine-specific note, note describes modification
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| 406058 | IS-OIL / IS-MINE: CRTs 25-27 for SAP_APPL Support Packages | 
| 387892 | IS-OIL / IS-MINE: CRTs 09-14 for SAP_APPL Support Packages | 
| 312430 |