java.lang.IllegalArgumentException: Method not found: paymentTerm
at org.openXpertya.model.CalloutEngine.start(CalloutEngine.java:262)
at org.openXpertya.model.MTab.processCallout(MTab.java:3078)
at org.openXpertya.model.MTab.processFieldChange(MTab.java:2943)
at org.openXpertya.grid.GridController.dataStatusChanged(GridController.java:763)
at org.openXpertya.model.MTab.fireDataStatusChanged(MTab.java:2545)
at org.openXpertya.model.MTab.dataStatusChanged(MTab.java:2489)
at org.openXpertya.model.MTable.fireDataStatusChanged(MTable.java:3658)
at org.openXpertya.model.MTable.setValueAt(MTable.java:1386)
at org.openXpertya.model.MTable.setValueAt(MTable.java:1276)
at org.openXpertya.grid.GridController.vetoableChange(GridController.java:1056)
at java.beans.VetoableChangeSupport.fireVetoableChange(Unknown Source)