Solution : https://service.sap.com/sap/support/notes/1136919 (SAP Service marketplace login required)
Key words :
applying note 1119290 error message gu506 'posting period, terms shortened fiscal year gu506 gp12n reason, fiscal year variant y' user, solution apply attached program correction, implement relevant support package, prerequisites program error, save planning data
Related Notes :
| 1119290 | GP12N: shortened fiscal year, error message GU506. |
| 672255 | Shortened fiscal year/changing fiscal periods |