Solution : https://service.sap.com/sap/support/notes/1126591 (SAP Service marketplace login required)
Key words :
system incorrectly issues error message gu-506, fiscal year variant xx, shortened fiscal year yyyy, shortened fiscal year, fiscal year yyyy, post cototl idocs, posting period mmm, terms cototl g_posting_date_of_period_get, program error, normal periods
Related Notes :
| 672255 | Shortened fiscal year/changing fiscal periods |