[Koha] KOHA sets due date to current date when checking out

Dear all, Our library is working with KOHA 21.11. Since yesterday the check out process doesn't match the circulation rules which are already defined very well for all the libraries, instead it sets the due date to the current date. So if I check out a book today, the due date is today. I have checked the calendar and the log file, but everything is ok. What could be the reason? Thank you, *Nayema Nasrin* Librarian | Pillai College of Engineering, New Panvel Email : nayema@mes.ac.in