Solution : https://service.sap.com/sap/support/notes/420453 (SAP Service marketplace login required)
Key words : 
additional key words cj62, cospp ----- supportguide 20011204143326 -----reportwriter, cost element reports, ps hierarchy reports -, write correction records, cost element report, respective wbs elements, wbs elements, key figure, report writer
Related Notes : 
       
| 526206 | PSIS: Consulting notes on business information system | 
| 495088 | Evaluation of archives in the Project Information System | 
| 388130 | Costs of networks from archives | 
| 136398 | PS-IS: Cost element reports do not read COSPP/COSSP |