Solution : https://service.sap.com/sap/support/notes/206955 (SAP Service marketplace login required)
Key words :
system displays error message cj468, additional key words eps, higher wbs element, program error, wbs hierarchy, hierarchy allowed', program position', solution implement, advance correction, bapi bapi_project_maintain
Related Notes :
| 536137 | CJV4, BAPI_PROJECT_MAINTAIN: Expand / change structure II |
| 363235 | EPS: WBS hierarchy allowed with several roots |
| 363066 | EPS: No changes to WBS hierarchies - error CJ468 |
| 312041 | EPS: WBS hierarchy change tho' operatn not allowed |
| 310704 | EPS: Incorrect WBS hierarchy is stored |
| 310509 | CRM usability of the R/3 project system |
| 189242 | Sub-project and WBS hierarchy changes II |
| 180417 | Open PS for Microsoft Project |
| 170121 | EPS: Sub-projects and PSP hierarchy changes |