Solution : https://service.sap.com/sap/support/notes/1673067 (SAP Service marketplace login required)
Key words : 
year-end legal change support package, year-end legal change support package, year-end legal change, german data entry regulation, paying office procedure wait, previous reserve field mmkv, previous reserve field mmps, paying office procedure, previous reserve field, previous payroll run
Related Notes : 
       
| 1644801 | Year-end legal change 2011/2012 2011/2012 DEUEV | 
| 1644712 | |
| 1634735 | Year-end legal change 2011/2012: Social insurance |