Solution : https://service.sap.com/sap/support/notes/995259 (SAP Service marketplace login required)
Key words :
source code corrections contained, assigned correction instructions section, entering negative wages, prerequisites program error, hr support package, wage type /603 earnings, wage type /610, unemployment earnings, support packages, standard system
Related Notes :
589865 | NEG: Flat tax refunded in error with negative taxables |