Solution : https://service.sap.com/sap/support/notes/1250966 (SAP Service marketplace login required)
Key words : 
report /fre/ui_fre_initial carries, time series data management, report /fre/ui_fre_initial, compressed data management, time series management, key figure parameter, call transaction se38, tables /fre/cdm_type, make specific entries, terms sap forecasting
Related Notes : 
       
| 1289161 | Consulting note: Procedure for upgrading SAP F&R 5.0 to 5.1 | 
| 996408 | Additions to the SCM 5.1 Forecasting & Replenishment upgrade |