ImportExportToolsNG is an awesome tool and I have used it for quite a long time (including the old not -NG version).
Unfortunately the last time I tried to save as pdf it produces no pdf file.
Printing to pdf works and I’ve got ghostscript installed, so I’m kind of a loss what to do next.
If there are logfiles I should be looking at please say and I will look.
$thunderbird --version
Thunderbird 102.2.2
$ lsb_release -d
Description: Ubuntu 22.04.1 LTS
$ ghostscript --version
9.55.0