[Koha] issuing credit on lost item

Hi all, One of my users is reporting : *************************************************** I noticed that a book that was marked lost, charged to a patrons account with the replacement cost, was not credited when the book was found. Steps: Marked book as lost, currently checked out to a patron. Patron paid the fine for the lost book Lost book was checked in, and was then supposed to credit the patron's account. ************************************************** it seems that the proper credit is not being issues back to the patrons account. any ideas on this ??? Koha version: 16.11.08.000 Thanks -S