Allow neagtive values in Skonto Betrag
In "Gutschriften", there might be a negative amount, hence the BASISBETRAG of Skonto can be neagtive
Although it is kind of exceptional case, it is Norm conform and hence we have to support it.
Das Verwenden des "New Looks" (Schalter oben rechts) kann zu Problemen mit dem Setzen von Due-Dates für Issues führen. Schalten sie die Funktion ggf. wieder ab.
In "Gutschriften", there might be a negative amount, hence the BASISBETRAG of Skonto can be neagtive
Although it is kind of exceptional case, it is Norm conform and hence we have to support it.