If it is his own ID number, then someone may have used his ID card to handle the loan. At this time, you can negotiate with the lending institution to show that you have not applied for a loan.

Another possibility is that the user dialed the wrong number and did not apply for a loan. In any case, as long as you make sure that you have never applied for a loan, if someone else uses your ID card to apply for a loan, you must deal with it as soon as possible.