问题描述：

退款的付款单付款时报错

Caused by: java.lang.IllegalArgumentException: id is null or length is 0. 'null'

  at com.kingdee.bos.util.BOSUuid.read(BOSUuid.java:142)

  at com.kingdee.eas.fi.cas.RecPayHelper.checkIsFromARAPBill(RecPayHelper.java:5402)

  at com.kingdee.eas.fi.cas.RecPayHelper.writeBackReqBill4Refund(RecPayHelper.java:5477)

  at com.kingdee.eas.fi.cas.app.service.PayPayService.doService(PayPayService.java:362)

  at com.kingdee.eas.fi.cas.app.PaymentBillControllerBean._payForBook(PaymentBillControllerBean.java:791)

  at com.kingdee.eas.fi.cas.app.PaymentBillControllerBean._payForBook(PaymentBillControllerBean.java:2728)

  at com.kingdee.eas.fi.cas.app.PaymentBillControllerBean._pay(PaymentBillControllerBean.java:1392)

  at com.kingdee.eas.fi.cas.app.AbstractPaymentBillControllerBean.pay(AbstractPaymentBillControllerBean.java:425)

解决方案：

该问题已在应收应付补丁PT147461（发布日期2020-03-28）中处理，请及时更新补丁验证。