Solution : https://service.sap.com/sap/support/notes/592073 (SAP Service marketplace login required)
Key words : 
activated evi stage 2 support, evi stage 2 support appears, 1c            import support package 22, 0b            import support package 30, 0b            import support package 13, 1 content            import support package 07, 1c support package 22, creating suitable indexes, required evis exist, 0b support package 30
Related Notes : 
       
| 565725 | Optimizing the performance of ODS objects in BW 3.0B | 
| 539829 | SAPBWNews BW 3.1 Content Support Package 07 | 
| 523278 | SAPBWNews BW 3.0B Support Package 13 | 
| 501572 | iSeries: EVI stage 2 support | 
| 442902 | iSeries: Corrections for BW 3.x |