Solution : https://service.sap.com/sap/support/notes/44126 (SAP Service marketplace login required)
Key words :
calendar month period year shift01/96 10 0, difference fiscal year - calendar year, additional key words sapdfkb6, -calendar fiscal years, prerequisites solution corrected, shortened fiscal years, shortened fiscal year, called fiscal year 04/95-03/96 '1996', error message f4547, calendar year 1996