To install this report download the attached files and put them into your
.gnucash folder. In windows for me this is c:/users/UserName/.gnucash.
Warning if you already have a config.user file then first put it into a
different folder and then copy the entries in config.user into your
existing config.user file.
The default settings displays a list of missing checks during the past 465
days. To include the checks that are not missng, go to options, the
display tab and check the box display checks. The rest of the entries on
the display tab allow you to specify what to show for non missing checks.
To change the date range searched for missing checks go to the general tab.