Solution : https://service.sap.com/sap/support/notes/536501 (SAP Service marketplace login required)
Key words :
'related notes' section, attached notes, inconsistencies exist, project system
Related Notes :
| 553661 | FAQ 2: Coding masks |
| 521625 | Apparent inconsistencies during the creation of projects |
| 453280 | Conflicting coding mask and project/WBS element |
| 170948 | Status inconsistency in work breakdown structure |
| 150788 | Classification inconsistency in project |
| 149698 | Hierarchy inconsistency in the project |