Solution : https://service.sap.com/sap/support/notes/301784 (SAP Service marketplace login required)
Key words : 
additional key words kce4, data entry terminates, shortened fiscal year, fiscal year variant, program saplked2, exception i_error, special periods, solution implement, attached correction, prerequisites
Related Notes : 
       
| 672255 | Shortened fiscal year/changing fiscal periods |