Solution : https://service.sap.com/sap/support/notes/611025 (SAP Service marketplace login required)
Key words : 
industry solution public sector, prerequisites program error, attached program correction, solution implement, detailed planning, overview screen, change/display, initial screen, terms cj40, lkop1f20 reason
Related Notes : 
       
| 662341 | Incorrect detail planning layouts w/ Funds Management | 
| 618100 | CJ40ff: Incorrect layout when branching to detailed planning | 
| 47207 | CJ40/KO12:User-def. plan. layouts for detailed planning |