In there is a problem repaying installment loans in Cal-Nev-Ari online, it is important to contact your lender as soon as possible. Your lender may offer various repayment options or make adjustments to the loan that could help ease the burden. It is also important to explain the details of your situation and why you may not be able to make the full payment so that the lender can better understand and work with you. By being transparent and willing to work with the lender, you may find a resolution that works for both parties.