But in a setting where the debtor prevails, he will pay back only part of the debt and the burden will be on the  BIS central bankers’ speeches  3  creditor who made the bad investment decision in the first place. A pragmatic solution is probably for the creditor to assess the ability and willingness of the debtor to pay.
If the latter is solvent and has only a liquidity problem, it will be in the creditor’s own interest to lengthen the maturity of the loan and eventually grant the debtor conditions that would enable him to repay the loan over time.