Solution : https://service.sap.com/sap/support/notes/674719 (SAP Service marketplace login required)
Key words :
attached source code corrections, selected planning method 'level-, fiscal year variant, call transaction se16, uppermost hierarchy level, info structure s076, menu 'table entry', implemented note 624731 manually, selection field 'plobu', info structure number
Related Notes :
| 624731 | MC62: Bad performance with large hierarchies |