问题描述：结算方式选择除应收应付票据外，点结算号F7会报错
错误信息：null
错误详细堆栈信息：java.lang.NullPointerException: null
at: com.kingdee.eas.fi.cas.client.CasPaymentBillUI.f7SettleNumber_willShow(CasPaymentBillUI.java:7402)
at: com.kingdee.eas.fi.cas.client.AbstractCasPaymentBillUI$45.willShow(AbstractCasPaymentBillUI.java:1759)
at: com.kingdee.bos.ctrl.swing.KDPromptBox.fireSelectorWillShow(KDPromptBox.java:823)
at: com.kingdee.bos.ctrl.swing.KDPromptBox.doFireSelectorEvent(KDPromptBox.java:800)
at: com.kingdee.bos.ctrl.swing.KDPromptBox.popupSelector(KDPromptBox.java:987)
at: com.kingdee.bos.ctrl.extendcontrols.KDBizPromptBox.popupSelector(KDBizPromptBox.java:1382)
at: com.kingdee.bos.ctrl.swing.KDPromptBox.setDataBySelector(KDPromptBox.java:1020)
at: com.kingdee.bos.ctrl.extendcontrols.KDBizPromptBox.setDataBySelector(KDBizPromptBox.java:2780)
at: com.kingdee.bos.ctrl.swing.plaf.KingdeePromptBoxUI$PromptBoxListener.actionPerformed(KingdeePromptBoxUI.java:1196)
解决版本：PT125253
适用版本：8.2
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