编辑同志 :１９９８年春节过后 ,邻居向我借款１ ５万元做买卖。到了还款期限 ,我几次催要 ,他却拖着不给。最后不得不向法院起诉 ,但由于债务人出具的借条已丢失 ,没有证据证明借贷关系存在 ,法院未予立案受理。请问 :一旦债权人不慎将借条遗失 ,该怎么办？庆田庆田同志 :债权 Editorial comrades: After the Spring Festival in 1998, the neighbor borrowed 15,000 yuan from me for trading. To the repayment deadline, I reminded several times, he was not dragging. Finally had to sue the court, but because the debtor's IOU has been lost, there is no evidence that the loan relationship exists, the court did not receive the case. Excuse me, what should I do if the creditor inadvertently loses the IOU? Qingtian Qing Tian comrades: claims