Solution : https://service.sap.com/sap/support/notes/446168 (SAP Service marketplace login required)
Key words : 
capturing data  forcomplex government-directed projects, sap project system sap business connector, sap custom development group today, 2r prescribed cost performance reports, bottom line sap evc ensures, exports critical performance data calculated, ======================================================================== baseline maintenance baseline maintenance  facilitates, pinpoint potential problem areas, prerequisites project overview solution, calculating weekly budgeted cost
Related Notes : 
       
| 766827 | Composite SAP note: Performance SCM 4.0 | 
| 457030 | EVC Release 1 updated weekly correction numbers | 
| 442930 | EVC component: Composite SAP Note |