NEW YORK (AP) — More Klarna customers are having trouble repaying their “buy now, pay later" loans, the short-term lender said this week. The disclosure corresponded with reports by lending platforms Bankrate and LendingTree, which cited an increasing share of all “buy now, pay later” users saying they had fallen behind on payments. The late or missed installments are a sign of faltering financial health among a segment of the US population, some analysts say, as the nation's total consumer debt rises to a record $18.2 trillion and the Trump administration moves to collect on federal student loans.