Solution : https://service.sap.com/sap/support/notes/1141739 (SAP Service marketplace login required)
Key words : 
sap menu -> tools -> customizing-> business configuration sets -> display, sap menu -> tools -> customizing-> business configuration sets -> activation, replenishment -> exception management -> maintain configuration data, sap scm - implementation guide -> forecasting, import support package sapky41017, import support package sapky50012, maintain bc sets, configuration data reason, sap scm -> forecasting, sap scm release 4
Related Notes : 
       
| 1292071 | Add. info. on upgrading to SAP SCM 7.0 SR1 ABAP | 
| 1156970 | Add. info. on upgrading to SAP SCM 7.0 ABAP |