Solution : https://service.sap.com/sap/support/notes/1573536 (SAP Service marketplace login required)
Key words : 
prerequisites enhancement solution, checking conflict timeframe, terms timeframe, local entities, local reason, problem apply, support package
Related Notes : 
       
| 1572626 | Enhancement for Note 1570193 | 
| 1570193 | When Replace/Remove User, Some Related Entities aren't Shown | 
| 1562347 | PC3.0 Support Pack 10 - Master Note |